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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).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -ku
(Poetry) an epigrammatic Japanese verse form in 17 syllables
[from Japanese, from hai amusement + ku verse]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited