Inflected forms: pl. com·pa·nies 1. A group of persons. See synonyms at band2. 2a. One's companions or associates: moved in fast company; is known by the company she keeps.b. A guest or guests: had company for the weekend.c. The state of friendly companionship; fellowship: was grateful for her company; friends who finally parted company.3a. A business enterprise; a firm. b. 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.5a. 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. b. A unit of firefighters. 6. A ship's crew and officers. See Usage Note at collective noun.
TRANSITIVE VERB:
Inflected forms: com·pa·nied, com·pa·ny·ing, com·pa·nies To accompany or associate with.
ETYMOLOGY:
Middle English compainie, from Old French compaignie, from Vulgar Latin *compnia, from *compni, companion. See companion1.