Etymology
Advertisement

trio (n.)

1724, "composition for three voices," from French trio (c. 1600), from Italian trio, from tri- "three" (see three); patterned on duo. Meaning "group of three persons" is from 1789.

Advertisement
Advertisement
Definitions of trio

trio (n.)
the cardinal number that is the sum of one and one and one;
Synonyms: three / " / iii / threesome / tierce / leash / troika / triad / trine / trinity / ternary / ternion / triplet / tercet / terzetto / trey / deuce-ace
trio (n.)
a musical composition for three performers;
trio (n.)
three performers or singers who perform together;
trio (n.)
a set of three similar things considered as a unit;
Synonyms: triad / triplet / triple
trio (n.)
three people considered as a unit;
Synonyms: threesome / triad / trinity
From wordnet.princeton.edu