Definitions

1. noun

A group of three verses, stanzas, or lines forming a unit in poetry.

“The poem was divided into tercets, each with a unique rhyme scheme.”

2. noun

A group of three things or people forming a unit.

“The tercet of musicians took the stage to perform their hit song.”

3. verb

To arrange or group something into threes.

“The poet tercet the lines in her poem for a unique effect.”