Wordnet 3.0
NOUN (2)
1.
a temporary associate;
- Example: "politics makes strange bedfellows"2.
a person with whom you share a bed;
The Collaborative International Dictionary of English v.0.48:
Bedfellow \Bed"fel`low\, n.
One who lies with another in the same bed; a person who
shares one's couch.
[1913 Webster] Bedfere
WordNet (r) 3.0 (2006):
bedfellow
n 1: a temporary associate; "politics makes strange bedfellows"
2: a person with whom you share a bed
Moby Thesaurus II by Grady Ward, 1.0:
56 Moby Thesaurus words for "bedfellow":
ace, adjunct, ally, amigo, associate, bedmate, bosom buddy,
brother, brother-in-arms, buddy, bunkie, bunkmate, butty, camarade,
chamberfellow, chum, classmate, coadjutor, cohort, colleague,
comate, companion, company, compatriot, compeer, comrade,
confederate, confrere, consociate, consort, copartner, crony,
fellow, fellow member, fellow student, girl friend, gossip, mate,
messmate, old crony, pal, pard, pardner, partner, playfellow,
playmate, roommate, schoolfellow, schoolmate, shipmate,
side partner, sidekick, teammate, workfellow, yokefellow,
yokemate