The Collaborative International Dictionary
Peraeopod
Peraeopod \Pe*r[ae]"o*pod\, n. [Gr. ? on the opposite side + -pod.] (Zo["o]l.) One of the thoracic legs of a crustacean. See Illust. of Crustacea.
Wiktionary
peraeopod
n. (context zoology English) One of the thoracic legs of a crustacean.