What Is "Haiku"?

Haiku, made up of only 17 syllables arranged in a 5‐7‐5 pattern, is said to be the shortest poetic form in the world. Unlike a "tanka," a haiku is required to have a seasonal word in it. Haiku have become popular overseas, and there are some enthusiasts who compose haiku in English.

Takahama Kyoshi's famous haiku