Answer:
Quatrain
Definition of Quatrain
In poetry, a quatrain features four lines of verse. A quatrain is a foundational poetic device because it is compatible with different rhythmic patterns and rhyme schemes. As a literary device, a quatrain in poetry is a series of four poetic lines that make up a verse of a poem known as a stanza, which can function as a poem on its own or as an individual stanza within a larger poem.