companion

Universal Words noun 1 a person or an animal that travels with you or spends a lot of time with you: travelling companions * Geoff was my companion on the journey. * (figurative) Fear was the hostages' constant companion. 2 a person who has similar tastes, interests, etc. to your own and whose company you enjoy: She was a charming dinner companion. * His younger brother is not much of a companion for him. * They're drinking companions (= they go out drinking together). 3 a person who shares in your work, pleasures, sadness, etc: We became companions in misfortune. 4 a person, usually a woman, employed to live with and help sb, especially sb old or ill/sick 5 one of a pair of things that go together or can be used together: A companion volume is soon to be published. 6 used in book titles to describe a book giving useful facts and information on a particular subject: A Companion to French Literature seealsoBOONCOMPANION