/ Dictionary / Index H H.V.: Meaning and Definition of Find definitions for: H.V. Pronunciation: [key] high velocity. high voltage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. huzzah HVAC Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language