| toe [tō] ANATOMY One of the digits on the foot of humans and other vertebrates. CIVIL ENGINEERING The part of a base of a dam or retaining wall on the side opposite to the retained material. GEOLOGY The leading edge of a thrust nappe. METALLURGY The junction between the face of a weld and the base metal. MINING ENGINEERING 1. The burden of material between the bottom of the borehole and the free face. 2. The bottom of the borehole. 3. A spurn, or small pillar of coal. 4. The base of a bank in an open-pit mine. |