What is a cinquain?
Cinquain, pronounced sin-cane, is a non-rhyming five-lined poem.
Line 1 is the topic of the cinquain, usually a noun. It can be either a two-syllable word or two single syllable words.
Line 2 is four syllables that describe the topic. Adjectives.
Line 3 is six syllables that show action. Action verbs.
Line 4 is eight syllables. This line can be a sentence or words that express feeling.
(Five Lined Poetry by Elizabeth Vetter)