/ Dictionary / Index H haikai: Meaning and Definition of Find definitions for: hai•kai Pronunciation: (hī'kī), [key] — pl. -kai an informal type of linked verse originated by Bashō, a 17th-century Japanese poet. a poem of this type. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. haik Haikou Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language