Definition of co-ops:
(n) :
Any cooperative, including housing, retail, utility, agricultural, banking or worker cooperatives.
(n) :
A unit of a housing cooperative; a purchased apartment where the apartment owners collectively are responsible for maintenance of common areas and upkeep.
(n) :
Any shop owned by a cooperative.
(v) :
Synonym of cooperate.
(n) :
(video games, board games) A cooperative game, as opposed to a competitive game or deathmatch.
(v) :
(gaming, ambitransitive) To play a game in a cooperative style.