anal plate

noun

1
a
: one of the posterior plates of the plastron of a turtle
b
: the large scale in front of the anus of most snakes
2
: the fused plate of early embryonic ectoderm and endoderm through which the anus later ruptures

Word History

First Known Use

1838, in the meaning defined at sense 1a

Time Traveler
The first known use of anal plate was in 1838

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Cite this Entry

“Anal plate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anal%20plate. Accessed 22 May. 2024.

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