[C]aseacreaturewithahardshell, eightlegsandtwopincers(= curvedandpointedarmsforcatchingandholdingthings). Crabsmovesidewaysonland蟹;螃蟹➡ see alsohermit crab[U]meatfromacrab, usedforfood蟹肉◆dressedcrab经加工的螃蟹crabs(informal) theconditioncausedbyhavinglice) in the hair around the genitals (calledcrablice) inthehairaroundthegenitals阴虱病