<p><strong>Noun</strong></p><ul><li>the lower, rear part of the trunk of the body; buttocks.</li><li>the hinder or lower part of anything.</li><li>Ordnance: the rear part of the bore of a gun, especially the opening and associated mechanism that permits insertion of a projectile.</li><li>Machinery: the end of a block or pulley farthest from the supporting hook or eye.</li><li>Nautical: the outside angle of a knee in the frame of a ship.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) Ordnance: to fit or furnish (a gun) with a breech.</li><li>to clothe with breeches.</li></ul>