com·pa·ny (kŭm'pə-nē)
n., pl., -nies.

1. A group of persons. See synonyms at band².
2. 1. One's companions or associates: moved in fast company; is known by the company she keeps.
   2. A guest or guests: had company for the weekend.
   3. The state of friendly companionship; fellowship: was grateful for her company; friends who finally parted company.
3. 1. A business enterprise; a firm.
   2. A partner or partners not specifically named in a firm's title: Lee Rogers and Company.
4. A troupe of dramatic or musical performers: a repertory company.
5. 1. A subdivision of a military regiment or battalion that constitutes the lowest administrative unit. It is usually under the command of a captain and is made up of at least two platoons.
   2. A unit of firefighters.
6. A ship's crew and officers. See Usage Note at collective noun.

tr.v., -nied, -ny·ing, -nies.
To accompany or associate with.

[Middle English compainie, from Old French compaignie, from Vulgar Latin *compānia, from *compāniō, companion. See companion¹.]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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