'twosome' definitions:

Definition of 'twosome'

From: WordNet
noun
Two items of the same kind [syn: couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, duet, dyad, duad]
noun
A pair who associate with one another; "the engaged couple"; "an inseparable twosome" [syn: couple, twosome, duo, duet]

Synonyms of 'twosome'

From: Moby Thesaurus