/ Dictionary / Index H H.C.: Meaning and Definition of Find definitions for: H.C. Pronunciation: [key] Holy Communion. House of Commons. h.c. Pronunciation: [key] for the sake of honor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. HBV H.C.F. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language