Duo

Noun

 * 1) A twosome, especially musicians.
 * 2) Any cocktail consisting of a spirit and a liqueur.

Thesaurus
both, brace, couple, couplet, distich, double harness, doublet, duad, duet, duettino, dyad, ensemble music, ensemble singing, match, mates, octet, pair, part music, part singing, part song, polyphonic music, quartet, quintet, septet, septuor, sestet, set of two, sextet, span, team, terzet, terzetto, the two, trio, twain, two, twosome, yoke