any of the small paired appendages on the abdomen of crustaceans, used chiefly in locomotion and reproduction
WordReference Random House Unabridged Dictionary of American English © 2025
swim•mer•et
(swim′ə ret′),USA pronunciation n.
- Invertebrates(in many crustaceans) one of a number of abdominal limbs or appendages, usually adapted for swimming and for carrying eggs, as distinguished from other limbs adapted for walking or seizing.
- swimmer + -et 1830–40
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