/ Dictionary / Index B beam trawl: Meaning and Definition of Find definitions for: beam' trawl" Pronunciation: [key] a trawl net whose lateral spread during trawling is maintained by a beam across its mouth. Cf. otter trawl. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. beam splitter beam weapon 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