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
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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.
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Michelle Z. Donahue, Smithsonian, 26 Nov. 2019
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Michelle Z. Donahue, Smithsonian, 26 Nov. 2019
Cite this Entry
“Swimmeret.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/swimmeret. Accessed 28 May. 2025.
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