1.Definition: a person who is a member of a partnership

Category: People

2.Definition: a person's partner in marriage

Related Noun(s):better half, married person, mate, spouse

Category: People

3.Definition: an associate in an activity or endeavor or sphere of common interest

"The musician and the librettist were collaborators", "Sexual partners"

Related Noun(s):collaborator, cooperator, pardner

Category: People