As used in this article, the following terms shall have the meanings indicated:
Off the premises of the owner and not under the restraint of and obedient to the order of a competent person of suitable age and discretion.
Any dog, whether licensed or not licensed.
The Dog Control Officer of the Town of Brookhaven.
Any person, group of persons or corporation owning, keeping or harboring a dog or dogs. For the purposes of this article, the person, group of persons or corporation who or which last obtained a license for a dog shall be presumed to be the "owner" of such dog. For the purposes of this article, it shall be presumed that any unlicensed dog kept or harbored in a dwelling unit is owned by all adults residing in such dwelling unit.
Controlled by a leash, rope or other similar device; or at heel beside a competent person of suitable age and discretion and obedient to the orders of that person; or on or within a vehicle driven or parked on the streets; or within the limits of its owner's, keeper's or harborer's property.