/ Dictionary / Index B beam weapon: Meaning and Definition of Find definitions for: beam' weap"on Pronunciation: [key] a laser-beam or particle-beam weapon. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. beam trawl beam wind Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language