/ Dictionary / Index H Holyhead: Meaning and Definition of Find definitions for: Hol•y•head Pronunciation: (hol'ē-hed"), [key] — n. a seaport on Holy Island in NW Wales. 10,940. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. holy grass Holyhead Island Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language