hiatus semilunaris

noun
hiatus semi·​lu·​nar·​is | \ -ˌsem-i-lü-ˈnar-əs How to pronounce hiatus semilunaris (audio) \

Medical Definition of hiatus semilunaris

: a curved fissure in the nasal passages into which the frontal and maxillary sinuses open

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Cite this Entry

“Hiatus semilunaris.” The Merriam-Webster.com Medical Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/medical/hiatus%20semilunaris. Accessed 10 December 2019.

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