duet

(noun) two items of the same kind. Synonyms: couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, dyad, duad.

(noun) two performers or singers who perform together. Synonyms: duette, duo.

(noun) a pair who associate with one another. Synonyms: couple, twosome, duo. Examples: "The engaged couple." "An inseparable twosome."

(noun) a musical composition for two performers. Synonyms: duette, duo.

(noun) (ballet) a dance for two people (usually a ballerina and a danseur noble). Synonyms: pas de deux.