/ Dictionary / Index R rearm: Meaning and Definition of Find definitions for: re•arm Pronunciation: (rē-ärm'), [key] — v.t. to arm again. to furnish with new or better weapons: As soon as the new rifle was in production, the troops were rearmed. —v.i. to become armed again. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rearm (Thesaurus) rear guard rearmost Related Content Daily Word Quiz: overture Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language