单词	obturator
释义	obturator noun ob·​tu·​ra·​tor ˈäb-tyə-ˌrā-tər  -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 Medical Definition obturator noun ob·​tu·​ra·​tor ˈäb-t(y)ə-ˌrāt-ər  1 a : either of two muscles arising from the obturator membrane and adjacent bony surfaces: (1) : obturator externus (2) : obturator internus b : obturator nerve 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
随便看	nonsympathisers nonsympathizers nonsync nonsynchronous nonsystem nonsystematic nonsystemic nonsystems nontarget nontariff nontax nontaxable nontaxables nontaxes awarenesses awarer awarest awarned awarning awarns awaruite awas awash awash in red ink awasher

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