Noun astacidae has 1 sense
  1. Astacidae, family Astacidae, Astacura - crayfish
    --1 is a kind of arthropod family
    --1 is a member of Decapoda, order Decapoda
    --1 has members:
     crayfish, crawfish, crawdad, crawdaddy; Astacus, genus Astacus; Cambarus, genus Cambarus
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