companion: Meaning and Definition of

com•pan•ion

1. a person who is frequently in the company of, associates with, or accompanies another: my son and his two companions.
2. a person employed to accompany, assist, or live with another in the capacity of a helpful friend.
3. a mate or match for something: White wine is the usual companion of fish.
4. a handbook or guide: a bird watcher's companion.
5. a member of the lowest rank in an order of knighthood or of a grade in an order.
6. the fainter of the two stars that constitute a double star. Cf. primary (def. 19b).
7. a fellow.

1. to be a companion to; accompany.

com•pan•ion

1. a covering over the top of a companionway.
2. a companionway.