- a person who is frequently in the company of, associates with, or accompanies another: my son and his two companions.
- a person employed to accompany, assist, or live with another in the capacity of a helpful friend.
- a mate or match for something: White wine is the usual companion of fish.
- a handbook or guide: a bird watcher's companion.
- a member of the lowest rank in an order of knighthood or of a grade in an order.
- the fainter of the two stars that constitute a double star.
- a fellow.
- to be a companion to; accompany.
- a covering over the top of a companionway.
- a companionway.
- a person who is an associate of another or others; comrade
- (esp formerly) an employee, usually a woman, who provides company for an employer, esp an elderly woman
- one of a pair; match
- (as modifier)
- a guidebook or handbook
- a member of the lowest rank of any of certain orders of knighthood
- the fainter of the two components of a double star
- to accompany or be a companion to
- nautical
- a raised frame on an upper deck with windows to give light to the deck below
- (as modifier)
