1. An organization or enterprise (as a store) owned by those who use its services.
2. A dwelling (as an apartment building) owned by its residents, to whom the apartments are leased. ¡ª Often shortened to coop; co-op. Cf. CONDOMINIUM(2). [Cases: Landlord and Tenant 350. C.J.S. Landlord and Tenant ¡ì 792.21.]