plural noun Ac·ro·tho·rac·i·ca \¦a-krō-thə-ˈra-si-kə\

Definition of Acrothoracica

  1. :  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)

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Origin and Etymology of acrothoracica

New Latin, from acr- + Thoracica

First Known Use: 1909

Seen and Heard

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to cast off or become cast off

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