plural -s
: triquetral bone

Word History


New Latin, short for os pyramidale pyramidal bone, from Latin os bone + Medieval Latin pyramidale, neuter of pyramidalis pyramidal

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of pyramidale was in 1826

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Dictionary Entries Near pyramidale

Cite this Entry

“Pyramidale.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2023.

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