01 n. The department of Zoology which treats of the Crustacea (lobsters, crabs, etc.); -- called also malacostracology and crustaceology.
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1.
The department of Zoology which treats of the Crustacea (lobsters, crabs, etc.); -- called also malacostracology and crustaceology.(Zool.) Also: malacostracology, crustaceology