/ Dictionary / Index H high-occupancy vehicle lane: Meaning and Definition of Find definitions for: high'-oc'cu•pan•cy ve'hicle lane" Pronunciation: (hī'ok'yu-pun-sē). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. high-occupancy vehicle high-octane Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language