"Nonconforming use" means a use or activity which was lawful prior to the adoption, revision or amendment of a zoning ordinance, but which fails, by reason of such adoption, revision or amendment, to conform to the present requirements of the zoning district.
(Ord. 88-12-1023 § 5: prior code § 19.08.652 (Ord. 557 § 105(N) (part), 1964))