[CC 1991 §400.030; Ord. No. 119 Art. II §1, 4-30-1951]
For the purpose of this Chapter, certain terms and words are hereby defined. Words used in the present tense shall include the future; the singular number shall include the plural and the plural the singular; the word "building" shall include the word "structure" and the word "shall" is mandatory and not directory.
ACCESSORY BUILDING
A portion of the main building or detached subordinate building located on the same lot, the use of which is customarily incident to that of the main building or to the use of the land. Where a substantial part of the wall of an accessory building is a part of the wall of the main building or where an accessory building is attached to the main building in a substantial manner by a roof, such accessory building shall be counted as part of the main building.
ACCESSORY LIVING QUARTERS
Living quarters within an accessory building located on the same premises with the main building for the sole use of persons employed on the premises; such quarters having no kitchen facilities and not rented or otherwise used as a separate dwelling.
AUTOMOBILE AND TRAILER SALES AREA
An open area, other than a street, used for the display, sale or rental of new or used automobiles or trailers, and where no repair work is done except minor incidental repair of automobiles or trailers to be displayed, sold or rented on the premises.
AUTOMOBILE WRECKING
The dismantling or wrecking of used motor vehicles or trailers or the storage, sale or dumping of dismantled, partially dismantled, obsolete or wrecked vehicles or their parts.
BASEMENT
A story partly or wholly underground. A basement shall be counted as a story for purposes of height measurement where more than one-half (½) of its height is above the average level of the adjoining ground.
BOARD
The Board of Zoning Adjustment of the City of Pine Lawn.
BOARDING HOUSE
A building, other than a hotel, where, for compensation, meals or lodging and meals are provided for not more than twelve (12) persons.
BUILDING
Any structure having a roof supported by columns or walls for the housing or enclosure of persons, animals or chattels. Where dwellings are separated from each other by a division wall without openings, each portion of such dwelling shall be deemed a separate building. The word "building" includes the word "structure" and those structures on wheels or other supports used for business, storage or living purposes.
BUILDING, HEIGHT OF
The vertical distance measured from the adjoining curb level to the highest point of ceiling of the top story in the case of a flat roof; to the deck lines of a mansard roof; and to mean height level between eaves and ridge of a gable, hip or gambrel roof; provided however, that where buildings are set back from the street line, the height of the building may be measured from the average elevation of the finished lot grade at the front of the building.
CELLAR
A story having more than one-half (½) of its height below grade. A cellar is not included in computing the number of stories for the purpose of height measurement.
COURT
An open unoccupied space, other than a yard, on the same lot with a building and bounded by two (2) or more sides by such building.
DISTRICT
A section or sections of the area of the City of Pine Lawn, St. Louis County, Missouri, for which the regulations governing the use of buildings and premises or the height and area of buildings are uniform.
DWELLING
Any building or portion thereof which is designed or used exclusively for residential purposes.
DWELLING, GROUP
One (1) or more buildings, not more than two and one-half (2½) stories in height, containing dwelling units and arranged around two (2) or three (3) sides of a court which opens onto a street or a place approved by the Commission, including one-family, two-family, row or multiple dwellings.
DWELLING, MULTIPLE
A building or portion thereof designed for or occupied by more than two (2) families.
DWELLING, ROW
A row of three (3) to six (6) attached one-family dwellings, not more than two and one-half (2½) stories in height, nor more than two (2) rooms deep.
DWELLING, SINGLE-FAMILY
A building designed for or occupied exclusively by one (1) family.
DWELLING, TWO-FAMILY
A building designed for or occupied exclusively by two (2) families.
FAMILY
A group of one (1) or more persons occupying a premises and living as a single housekeeping unit, whether or not related to each other by birth or marriage, as distinguished from a group occupying a boarding house, lodging house or hotel as herein defined.
FARM
An area which is used for the growing of the usual farm products such as vegetables, fruit trees and grain and for their packing or storage on the area as well as for the raising thereon of the usual farm poultry and farm animals, such as horses, cattle, sheep and swine, as secondary to crop raising. The term "farm" shall not include the commercial feeding of garbage or offal to swine or other animals.
FILLING STATION or AUTOMOBILE SERVICE STATION
Any building or premises used for dispensing, sale or offering for sale at retail of any automobile fuels or oils as limited in the remainder of this Section. When the dispensing, sale or offering for sale is incidental to the conduct of a public garage, the premises are classified as a public garage. No tanks or receptacles used for the storage of gasoline or automobile fuel shall be permitted as part of a filling station or automobile service station unless it is located below the surface of the ground or grade, except by special permit of the Board of Aldermen of the City of Pine Lawn.
FRONTAGE
All the property on one (1) side of a street between two (2) intersecting streets (crossing or terminating) measured along the line of the street, or if the street is dead-ended, then all the property abutting on one (1) side between an intersecting street and the dead-end street.
GARAGE, PRIVATE
An accessory building housing not to exceed four (4) motor-driven vehicles, the property of and for the use of the occupants of the lot on which the private garage is located.
GARAGE, PUBLIC
Any building or premises (except those used as a private or storage garage) used for equipping, repairing, hiring, selling or storing motor-driven vehicles subject to the following limitations. Tanks or receptacles used for the storage of gasoline or automobile fuel shall be located below the surface of the ground or grade, except by special permit of the Board of Aldermen of the City of Pine Lawn.
GARAGE, STORAGE
Any building or premises used for housing only of self-propelled vehicles pursuant to previous arrangements and to transients, and at which automobile fuels and oils are not sold, and motor-driven vehicles are not equipped, repaired, hired or sold.
GRADE
1. 
For buildings having walls adjoining one (1) street only, the elevation of the sidewalk at the center of the wall adjoining the street.
2. 
For buildings having walls adjoining more than one (1) street, the average of the elevation of the sidewalk at the centers of all walls adjoining the streets.
3. 
For buildings having no wall adjoining the street, the average level of the finished surface of the ground adjacent to the exterior walls of the building.
Any wall approximately parallel to and not more than five (5) feet from a street line is to be considered as adjoining the street.
GROUP HOME
Any home in which eight (8) or fewer unrelated mentally or physically handicapped persons reside, and may include two (2) additional persons acting as houseparents or guardians who need not be related to each other or to any of the mentally or physically handicapped persons residing in the home.
HOME OCCUPATION
Any occupation or profession carried on by a member of the immediate family residing on the premises in connection with which there is used no sign other than a nameplate not more than one (1) square foot in area that will indicate from the exterior that the building is being utilized in whole or in part for any purpose other than that of a dwelling; there is no commodity sold upon the premises; no person is employed other than a member of the immediate family residing on the premises; and no mechanical equipment is used except such as is permissible for purely domestic or household purposes.
HOTEL
A building in which lodging or lodging and meals are provided and offered to the public for compensation, which is open to transient guests or which will accommodate more than twelve (12) persons for lodging and meals whether transient or not.
LOT
A parcel of land occupied or intended for occupancy by a use permitted in this Chapter, including one (1) main building together with its accessory buildings, the open spaces and parking spaces required by this Chapter and having its principal frontage upon a street or upon an officially approved place.
LOT, CORNER
A lot abutting upon two (2) or more streets at their intersection.
LOT, DEPTH OF
The mean horizontal distance between the front and rear lot lines.
LOT, DOUBLE FRONTAGE
A lot having a frontage on two (2) non-intersecting streets as distinguished from a corner lot.
LOT OF RECORD
A lot which is a part of a subdivision, the plat of which has been recorded in the office of the Recorder of Deeds of St. Louis County, Missouri, after proper approval; or a parcel of land, the deed to which was recorded in the office of the Recorder of Deeds prior to April 30, 1951.
MOTEL/HOTEL
An area containing one (1) or more permanent structures designed for temporary living facilities and intended primarily for transients, whether or not providing garages for automobiles, and not to accommodate tents or trailers or include a seasonal resort area or summer homes.
NON-CONFORMING USE
Any building or land lawfully occupied by a use at the time of passage of this Chapter or amendment thereto which does not conform after the passage of this Chapter or amendments thereto with the use regulations of the district in which it is situated.
PARKING SPACE
A durably surfaced area, enclosed in the main building, in an accessory building, or unenclosed, sufficient in size to store one (1) standard automobile, and if the space is unenclosed, comprising an area of not less than two hundred (200) square feet, exclusive of a durably surfaced driveway connecting the parking space with a street or alley and permitted satisfactory ingress and egress of an automobile and designed to prevent possible fire hazard.
STABLE, PRIVATE
A stable with capacity for not more than two (2) horses, provided however, that the capacity of a private stable may be increased if the premises whereon such stable is located contains an area of not less than one (1) acre for each horse accommodated.
STORY
Any structure or part of a structure not in excess of fifteen (15) feet, other than a cellar, included between the surface of any floor and the surface of the floor next above it or, if there be no floor above it, then the space between the floor and the ceiling next above it.
STORY, HALF
A space under a sloping roof which has the line of intersection of roof decking and wall face not more than three (3) feet above the top floor level and in which space not more than two-thirds (⅔) of the floor area is finished off for use.
STREET
All property dedicated or intended for a public or private street, highway, freeway or roadway purposes or subject to easements therefor.
STREET LINE
A dividing line between a lot, tract or parcel of land and a contiguous street.
STRUCTURAL ALTERATIONS
Any change in the supporting members of a building, such as bearing walls or partitions, columns, beams or girders, or any substantial change in the roof or in the exterior walls.
STRUCTURE
Anything constructed or erected, the use of which requires permanent location on the ground or attached to something having a permanent location on the ground including, but without limiting the generality of the foregoing, advertising signs, billboards, backstops for tennis courts and pergolas, radio towers, memorials and ornamental structures. The word "structures" includes the word "building" in addition to the foregoing.
TOURIST CAMP OR COURT
An area containing one (1) or more structures designed or intended to be used as temporary living facilities of two (2) or more families and intended primarily for automobile transients or other tourists.
TRAILER
Any structure used or capable of being used for living, sleeping, business or storage purposes, having no foundation other than wheels, blocks, skids, jacks, horses or skirting, and which is, has been or reasonably may be equipped with wheels or other devices for transporting the structure from place to place whether by motive power or other means. The term "trailer" shall include camp car and house car. A permanent foundation shall not change its character if the structure can be removed therefrom practically intact.
TRAILER CAMPS
An area used for the parking of two (2) or more tents or trailers designed or intended to be used as living facilities for two (2) or more families and intended primarily for automobile transients and not to be used for business or storage trailers.
YARD
An open space on the same lot with a building, unoccupied and unobstructed by any portion of a structure from the ground upward, except as otherwise provided herein. In measuring a yard for the purpose of determining the width of a side yard, the depth of the front yard or the depth of a rear yard, the mean horizontal distance between the lot line and the main building shall be used.
YARD, FRONT
A yard extending across the front of a lot between the side yard lines and being the minimum horizontal distance between the street line and the main building or any projection thereof other than the projection of the usual steps or entrance way.
YARD, REAR
A yard extending across the rear of a lot measured between the side lot lines and being the minimum horizontal distance between the rear lot line and the rear of the main building or any projections other than steps, unenclosed balconies or unenclosed porches. On corner lots the rear yard shall be considered as parallel to the street upon which the lot has its least dimension. On both corner lots and interior lots the rear yard shall in all cases be at the opposite end of the lot from the front yard.
YARD, SIDE
A yard between the main building and the side line of the lot and extending from the front lot line to the rear lot line.