/ Dictionary / Index H holibut: Meaning and Definition of Find definitions for: hol•i•but Pronunciation: (hol'u-but), [key] — pl. -but, -buts. halibut. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: holibut (Thesaurus) holiatry -holic Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language