The Collaborative International Dictionary
Arthrostraca
Arthrostraca \Ar*thros"tra*ca\, n. pl. [NL., fr. Gr. 'a`rqron joint + ? a shell.] (Zo["o]l.) One of the larger divisions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda.
Usage examples of "arthrostraca".
It was in his mind that he should go again to visit his friend, but warm voices called him and he let himself be drawn to where huge arthrostraca were being roasted in seaweed.