/ Dictionary / Index R regiment: Meaning and Definition of Find definitions for: reg•i•ment Pronunciation: (n.rej'u-muntv.rej'u-ment&sec), [key] — n. a unit of ground forces, consisting of two or more battalions or battle groups, a headquarters unit, and certain supporting units. government. —v.t. to manage or treat in a rigid, uniform manner; subject to strict discipline. to form into a regiment or regiments. to assign to a regiment or group. to form into an organized group, usually for the purpose of rigid or complete control. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: regiment (Thesaurus) regimen regimental Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language