/ Dictionary / Index R Rapid Deployment Force: Meaning and Definition of Find definitions for: Rap'id Deploy'ment Force" Pronunciation: [key] a U.S. military organization consisting of one Marine division and four Army divisions, established in 1979 to respond quickly to any distant threat to national interests. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rapid City rapid eye movement Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language