/ Dictionary / Index H Hilo: Meaning and Definition of Find definitions for: Hi•lo Pronunciation: (hē'lō), [key] — n. a seaport on E Hawaii island, in SE Hawaii. 35,269. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hilo (Thesaurus) Hillyer hilt Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language