Any of several edible marine crustaceans of the family Homaridae, especially of the genus Homarus, having stalked eyes, long antennae, and five pairs of legs, the first pair of which is modified into large pincers.

• 大螯虾螯龙虾科的各种可食海生甲壳类动物，尤指螯龙虾属，有柄眼，长触须和五双腿，第一双腿变异为大钳