“One ownership” means ownership of property (or possession thereof), under a contract to purchase or under a lease, the term of which is not less than ten years, by a person or persons, firm, corporation or partnership, individually, jointly, in common, or in any other manner whereby such property is under single or unified control. The term “owner” shall be deemed to mean the person, firm, corporation or partnership exercising one ownership as herein defined. (Ord. 2020-07 § 2, 2020; Zoning Ordinance dated 7/94, 1994)