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n. pl. haiku also hai·kus
a. A Japanese lyric verse form having three unrhymed lines of five, seven, and five morae, traditionally invoking an aspect of nature or the seasons.
b. A verse form in another language modeled on the Japanese haiku, typically counting syllables instead of morae.
2. A poem written in this form.
[Japanese : hai, amusement (from Middle Chinese pɦa⋮j) + ku, phrase (from Middle Chinese kyə̆`, sentence; also the source of Mandarin jù).]
n, pl -ku
(Poetry) an epigrammatic Japanese verse form in 17 syllables
[from Japanese, from hai amusement + ku verse]
n., pl. -ku.
a Japanese poem or verse form, consisting of 17 syllables divided into 3 lines of 5, 7, and 5 syllables, often about nature or a season.
[1895–1900; < Japanese]
1. A Japanese word meaning amusement verse, used for a form of poem which has exactly 17 syllables.
2. A form of epigrammatic Japanese verse with exactly 17 syllables.