/ Dictionary / Index L light artillery: Meaning and Definition of Find definitions for: light' artil'lery Pronunciation: [key] — Mil. Mil. guns and howitzers of small caliber. (in the U.S.) guns and howitzers of a caliber up to and including 105 mm. Cf. heavy artillery (def. 2), Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Light Armored Vehicle lightboard Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language