WHAT IS HAIKU?
haiku, is a form of Japanese poetry, consisting of 17 Japanese words on , in three metrical phrases with the number of syllables of 5 (first line), 7 (second line), and 5 (third or last line) or on respectively, and typically containing a kigo, or seasonal reference. In Japanese, haiku are traditionally printed in a single vertical line, while haiku in English usually appear in three lines, to equate to the Japanese haiku's three metrical phrases. Previously called hokku, it was given its current name by the Japanese writer Masaoka Shiki at the end of the 19th century.
-wikipedia.org

examples of haikus
- What a wonderful
day! no one in the village
doing anything

- When my canary
Flew away, that was the end
of spring in my house