swimmeret

noun

swim·​mer·​et ˌswi-mə-ˈret 

ˈswi-mə-ˌret

: one of a series of small unspecialized appendages under the abdomen of many crustaceans that are best developed in some decapods (such as a lobster) and usually function in locomotion or reproduction

Example Sentences

Recent Examples on the Web

The kangaroo was a particular hit, but other animal builds in the kit include a leopard, mouse, boar, monkey—and a mantis shrimp, complete with leg-like swimmerets. —Michelle Z. Donahue, Smithsonian, 26 Nov. 2019

Word History

First Known Use

1840, in the meaning defined above