/ Dictionary / Index L light cruiser: Meaning and Definition of Find definitions for: light' cruis'er Pronunciation: [key] a naval cruiser having 6-in. (15-cm) guns as its main armament. Cf. heavy cruiser. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. light cream light curve Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language