/ Dictionary / Index B breech: Meaning and Definition of Find definitions for: breech Pronunciation: (n.brēchv.brēch, brich), [key] — n. the lower, rear part of the trunk of the body; buttocks. the hinder or lower part of anything. the rear part of the bore of a gun, esp. the opening and associated mechanism that permits insertion of a projectile. the end of a block or pulley farthest from the supporting hook or eye. the outside angle of a knee in the frame of a ship. —v.t. to fit or furnish (a gun) with a breech. to clothe with breeches. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: breech (Thesaurus) bred-in-the-bone breech baby Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language