As used in this chapter:
a.
"Dog" shall mean any dog, bitch or spayed bitch.
b.
"Dog of licensing age" shall mean any dog which has attained the age of seven months or which possesses a set of permanent teeth.
c.
"Kennel" shall mean any establishment wherein or whereon the business of boarding or selling dogs or breeding dogs for sale is carried on, except a pet shop.
d.
"Pet shop" shall mean any room or group of rooms, cage or exhibition pen, not part of a kennel, wherein dogs for sale are kept or displayed.
e.
"Pound" shall mean an establishment for the confinement of dogs seized either under the provisions of this section or otherwise.
f.
"Shelter" shall mean any establishment where dogs are received, housed and distributed without charge.
g.
"Owner" when applied to the proprietorship of a dog shall include every person having a right of property in such dog and every person who has such dog in his keeping.
h.
"Vicious dogs" shall mean any dog which has been declared by a judge of the Municipal Court to be a vicious dog or which has attacked or bitten any human being on more than one separate occasion within a period of one year or which habitually attacks other dogs or domestic animals.