pincer
/ˈpɪnsə(r)/noun
(一般作pincers)(亦作a pair of pincers)
1- a tool made of two pieces of metal bearing blunt concave jaws that are arranged like the blades of scissors, used for gripping and pulling things钳子; 镊子。
1.1
- a front claw of a lobster, crab, or similar crustacean（虾、蟹等的）螯。
词源
Middle English: from Anglo-Norman French, from Old French pincier 'to pinch'.