n. One who shares the lot of another; a companion; a partner; especially, a wife or husband.n. A ship keeping company with another.n. Concurrence; conjunction; combination; association; union.n. An assembly or association of persons; a company; a group; a combination.n. Harmony of sounds; concert, as of musical instruments.verb-intransitive. To unite or to keep company; to associate; -- used with with.v. To unite or join, as in affection, harmony, company, marriage, etc.; to associate.v. To attend; to accompany.