Haiku

Noun

1. A Japanese poem in three lines, the first and last consisting of five morae, and the second consisting of seven morae, usually with an emphasis on the season or a naturalistic theme.
2. A three-line poem in any language, with five syllables in the first and last lines and seven syllables in the second, usually with an emphasis on the season or a naturalistic theme.

   "Haiku, a poem"