Pronunciation: (hī'kOO), [key]
—pl. -ku for 2.
1. a major form of Japanese verse, written in 17 syllables divided into 3 lines of 5, 7, and 5 syllables, and employing highly evocative allusions and comparisons, often on the subject of nature or one of the seasons.
2. a poem written in this form.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.