Astacus

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Astacus \As"ta*cus\, n. [L. astacus a crab, Gr. ?.] (Zool.)
     A genus of crustaceans, containing the crawfish of
     fresh-water lobster of Europe, and allied species of western
     North America. See {Crawfish}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  Astacus
       n : type genus of the family Astacidae; Old World crayfish [syn:
            {genus Astacus}]