Acrothoracica

plural noun

Ac·​ro·​tho·​rac·​i·​ca

¦a-krō-thə-ˈra-si-kə

: a small order or suborder of barnacles that have the body surrounded by a chitinous mantle and that bore and inhabit cavities (as in mollusk shells or corals)

Word History

Etymology

New Latin, from acr- + Thoracica

First Known Use

1909, in the meaning defined above

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