/ Dictionary / Index H headlight: Meaning and Definition of Find definitions for: head•light Pronunciation: (hed'līt"), [key] — n. a light or lamp, usually equipped with a reflector, on the front of an automobile, locomotive, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: headlight (Thesaurus) head lettuce headline 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