A haiku has how many lines?
A haiku is a form of Japanese verse that is split into 3 lines. The first line has 5 syllables, the second has 7, and the last line has 5 syllables.
Here is an example of a haiku, written by Basho Matsuo (1644-1694).
An old silent pond...
A frog jumps into the pond,
splash! Silence again.