1. Two items of the same kind
   - couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duet, dyad, duad 
2. Two performers or singers who perform together
   - duet, duette 
3. A pair who associate with one another
   - couple, twosome, duet 
4. A musical composition for two performers
   - duet, duette

Derived forms: dui, duos

Type of: 2, composition, deuce, II, musical composition, musical group, musical organisation [Brit], musical organization, opus, pair, piece, piece of music, two

Encyclopedia: Duo

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