For purposes of this title, a lot is a parcel of land of at least sufficient size to meet minimum zoning requirements for use, coverage, and area and to provide such yards and other open spaces as are herein required. Such lot shall have frontage on an improved public street, or on an approved private street, and may consist of:
2. A portion of a lot of record;
3. A combination of complete lots of record, of complete lots of record and portions of lots of record; and
4. A parcel land described by metes and bounds.
(Ord. 90-15 § 11 (part), 1991)