TERZETTO

three, III, trio, threesome, tierce, leash, troika, triad, trine, trinity, ternary, ternion, triplet, tercet, terzetto, trey, deuce-ace

(noun) the cardinal number that is the sum of one and one and one

Source: WordNet® 3.1

Etymology

Noun

terzetto (plural terzettos)

(music) A composition in three voice parts.

(music) A vocal (or, rarely, instrumental) trio.

Synonyms

• terzet

Source: Wiktionary

Ter*zet"to, n. Etym: [It., dim. of terzo the third, L. tertius. See Tierce.] (Mus.)

Definition: A composition in three voice parts; a vocal (rarely an instrumental) trio.

Source: Webster’s Unabridged Dictionary 1913 Edition