mandible

1. N-COUNT A mandible is the bone in the lower jaw of a person or animal. (人或動(dòng)物的)下頜骨[技術(shù)]

2. N-COUNT An insect's mandibles are the two parts of its mouth which it uses for biting, similar to an animal's jaws. (昆蟲)顎[技術(shù)] [usu pl]