I. ˈtrē(ˌ)ō noun
( -s )
Etymology: French, from Italian, modification (influenced by duo ) of Latin tria three — more at three
1.
a. : a musical composition for three voice parts or three instruments
b. : the secondary or episodic division of a minuet or scherzo (as in a sonata or symphony) or of a march or of various dance forms usually contrasted in key and in a quieter style than the primary division
c. : a performance of such a composition
d. : a dance by three people
2. : a group or set of three: as
a. : the performers of a musical or dance trio
b. : three playing cards of the same rank
c. : a male and two female domestic animals (as poultry) forming a breeding or exhibition group
II. noun
( plural trio or trios )
Usage: usually capitalized
1.
a. : a Cariban people of the boundary between Brazil and British and Dutch Guiana
b. : a member of such people
2. : the language of the Trio people