Definitions
from The Century Dictionary.
- noun The typical genus of the family Astacidæ, and one of the two leading genera of fluviatile crawfishes, the other being Cambarus.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) A genus of crustaceans, containing the crawfish of fresh-water lobster of Europe, and allied species of western North America. See
crawfish .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun type genus of the family Astacidae; Old World crayfish
Etymologies
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Examples
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Among his Malacostraca he compares point by point the external parts of the carabus (_Palinurus_), and the astacus (_Homarus_), and he compares also the general internal anatomy of the various "genera" he distinguishes.
Form and Function A Contribution to the History of Animal Morphology
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