swimmeret

swimmeret

[swim-uh-ret]
noun
(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.

Origin:
1830–40; swimmer + -et

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Collins
World English Dictionary
swimmeret (ˈswɪməˌrɛt)
 
n
Also called: pleopod any of the small paired appendages on the abdomen of crustaceans, used chiefly in locomotion and reproduction
 
[C19: from swim + -er1 + -et]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
swimmeret   (swĭm'ə-rět')  Pronunciation Key 
One of the paired abdominal appendages of certain aquatic crustaceans, such as shrimp, lobsters, and isopods. Swimmerets are normally found on the first five abdominal segments and typically terminate in paired oarlike branches. They function primarily for carrying the eggs in females and are usually adapted for swimming. Also called pleopod.
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