/klɔː/
noun
one of the sharp curved nails on the end of an animal’s or a bird’s foot (动物或禽类的)爪,脚爪,脚趾

a long, sharp curved part of the body of some types of shellfish, used for catching and holding things (水生有壳动物的)螯,钳
the claws of a crab
螃蟹的螯