obturator

noun

ob·​tu·​ra·​tor ˈäb-tyə-ˌrā-tər How to pronounce obturator (audio)
-tə-
: something (such as a prosthetic device) that closes or blocks up an opening (such as a fissure in the palate)

Word History

Etymology

New Latin, from Latin obturare

First Known Use

circa 1741, in the meaning defined above

Time Traveler
The first known use of obturator was circa 1741

Dictionary Entries Near obturator

Cite this Entry

“Obturator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obturator. Accessed 6 Dec. 2022.

Medical Definition

obturator

noun

ob·​tu·​ra·​tor ˈäb-t(y)ə-ˌrāt-ər How to pronounce obturator (audio)
1
a
: either of two muscles arising from the obturator membrane and adjacent bony surfaces:
2
a
: a prosthetic device that closes or blocks up an opening (as a fissure in the palate)
b
: a device that blocks the opening of an instrument (as a sigmoidoscope) that is being introduced into the body
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