[kuh
m-pan-yuhn] 
| 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. | Also called companion star, comes. Astronomy. the fainter of the two stars that constitute a double star. Compare primary (def. 19b). |
| 7. | Obsolete. a fellow. |
| 8. | to be a companion to; accompany. |