The definition of tercet is three lines of poetry that create a stanza or poem.
An example of a tercet is a haiku poem.
A group of three lines of verse, often rhyming together or with another triplet.
A group of three lines that rhyme with one another or are connected by rhyme with an adjacent triplet or triplets.
Origin of tercet
- French from Italian terzetto from diminutive of terzo third from Latin tertius trei- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition