duo
n 1: two items of the same kind [syn: couple, pair, twosome,
twain, brace, span, yoke, couplet, distich,
duet, dyad, duad]
2: two performers or singers who perform together [syn: duet,
duette]
3: a pair who associate with one another; "the engaged couple";
"an inseparable twosome" [syn: couple, twosome, duet]
4: a musical composition for two performers [syn: duet, duette]
[also: dui (pl)]