Wiktionary
rhyku
n. Haiku is Japanese poetry that combines form, content, and language in a meaningful and compact form. Haiku poets express their thoughts about both mundane and arcane matters and many Haiku themes relate to nature, feelings, or experiences. Usually, Haiku employs simple words and grammar. The most common form for Haiku is three short lines with the first line consisting of five syllables, the second line consisting of seven syllables and the third line consisting of five syllables. Haiku is more like free verse and less like rhyming poetry.