'Tercet' definitions:

Definition of 'tercet'

From: WordNet
noun
The cardinal number that is the sum of one and one and one [syn: three, 3, III, trio, threesome, tierce, leash, troika, triad, trine, trinity, ternary, ternion, triplet, tercet, terzetto, trey, deuce- ace]

Definition of 'Tercet'

From: GCIDE
  • 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]