| butt [bǝt] BOTANY The portion of a plant from which the roots extend, for example, the base of a tree trunk. BUILDING CONSTRUCTION The bottom or cover edge of a shingle. DESIGN ENGINEERING The enlarged and squared-off end of a connecting rod or similar link in a machine. MINING ENGINEERING Coal exposed at right angles to the face and, in contrast to the face, generally having a rough surface. ORDNANCE Rear end of the stock of a rifle or other small arm. |