/ Dictionary / Index H Haikou: Meaning and Definition of Find definitions for: Hai•kou Pronunciation: (hī'kō'), [key] — n. Pinyin, Wade-Giles. a city on N Hainan island, in SE China. 500,000. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. haikai haiku Related Content Daily Word Quiz: overture Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language