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co-op

[noun, adverb koh-op; verb koh-op, koh-op]
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noun
  1. a cooperative store, dwelling, program, etc.
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verb (used with object), co-oped or co-opped, co-op·ing or co-op·ping.
  1. to place in a cooperative arrangement, especially to convert (an apartment or building) to a cooperative.
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adjective
  1. (of a game, especially a video game) cooperative, requiring players to work together to achieve a common objective:co-op play modes;co-op multiplayer games.
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Idioms
  1. go co-op, to convert to a cooperative: Our apartment building is going co-op.
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Origin of co-op

First recorded in 1860–65; shortened form
Related formsco-op·er, noun
Can be confusedco-op coop co-opt coupe
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for co-oped

co-op

n.

1861, abbreviation of cooperative. The hyphen is needed to avoid confusion with coop (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper