co-op

ot noun

1. A unit of a housing co-operative; a purchased apartment where the apartment owners collectively are responsible for maintenance of common areas and upkeep.
2. Any co-operative, including housing, retail, utility, agricultural, banking or worker cooperatives.
3. Any shop owned by a co-operative.
4. A co-operative game, as opposed to a competitive game or deathmatch.

fe’l verb

1. To work or act together, especially for a common purpose or benefit.
2. To allow for mutual unobstructed action
3. To function in harmony, side by side
4. To engage in economic cooperation.