plural noun

: 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


New Latin, from acr- + Thoracica

First Known Use

1909, in the meaning defined above

Time Traveler
The first known use of Acrothoracica was in 1909

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Dictionary Entries Near Acrothoracica

Cite this Entry

“Acrothoracica.” Dictionary, Merriam-Webster, Accessed 5 Mar. 2024.

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