Found 2 items, similar to Astacus.
English → English (WordNet) Definition: Astacus Astacus n : type genus of the family Astacidae; Old World crayfish [syn: genus Astacus]
English → English (gcide) Definition: Astacus Astacus \As"ta*cus\, n. [L. astacus a crab, Gr. ?.] (Zo["o]l.) A genus of crustaceans, containing the crawfish of fresh-water lobster of Europe, and allied species of western North America. See Crawfish. [1913 Webster]