'Bedfellow' definitions:

Definition of 'bedfellow'

From: WordNet
noun
A temporary associate; "politics makes strange bedfellows"
noun
A person with whom you share a bed

Definition of 'Bedfellow'

From: GCIDE
  • Bedfellow \Bed"fel`low\, n. One who lies with another in the same bed; a person who shares one's couch. [1913 Webster] Bedfere