trio (
http://definr.com/trio)
n 1: the cardinal number that is the sum of one and one and one
[syn:
three,
3,
III,
threesome,
tierce,
leash,
troika,
triad,
trine,
trinity,
ternary,
ternion,
triplet,
tercet,
terzetto,
trey,
deuce-ace]
2: a musical composition for three performers
3: three performers or singers who perform together
4: a set of three similar things considered as a unit [syn:
triad,
triplet]
5: three people considered as a unit [syn:
threesome,
triad,
trinity]