Tercet, terzet
A rhyming triplet, found in sequences such as
-
aaa bbb (for example, Thomas Hardy's "The Convergence of the Twain")
-
aba cdc (where b and d are unrhyming)
-
abc abc (repeated)
-
aba bcb (interlaced or linked, where the three lines are tied by rhyme to the rest of the stanza)
- the sestet of a sonnet and, when made into a stanza by itself, named terza rima (see just below).