/ Dictionary / Index L LRBM: Meaning and Definition of Find definitions for: LRBM Pronunciation: [key] long-range ballistic missile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. LRAM LRT 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