hai·ku 
/ˈhaɪˌku/ noun
plural haiku also hai·kus /ˈhaɪˌku/ noun : a Japanese form of poetry or a poem written in this form [noncount] ▪ a master of haiku [count] ▪ He has written many beautiful haiku. ◊A haiku has three lines, with the first line containing five syllables, the second line containing seven syllables, and the third line containing five syllables again.
