Tercet
Tercet Ter"cet, n. [F., fr. It. terzetto, dim. of terzo,
third, L. tertius. See {Tierce}, and cf. {Terzetto}.]
1. (Mus.) A triplet. --Hiles.
[1913 Webster]
2. (Poetry) A triplet; a group of three lines.
[1913 Webster]
The Collaborative International Dictionary of English.
2000.