- Prosody. a group of three lines rhyming together or connected by rhyme with the adjacent group or groups of three lines.
- Music. triplet(def 5).
- a group of three lines of verse that rhyme together or are connected by rhyme with adjacent groups of three lines
n.“three successive lines rhyming together,” 1590s, from Italian terzetto, diminutive of terzo “third,” from Latin tertius (see third). Spelling influenced by French tercet, from the Italian.