Definition of fenestra
fenestraeplay \fə-ˈne-ˌstrē, -ˌtrī\
1 : a small anatomical opening (as in a bone): such asa : oval window —called also fenestra ova*lis play \-ō-ˈvā-ləs\, fenestra ves*tib*u*li play \-ve-ˈsti-byə-ˌlī\ b : round window —called also fenestra coch*le*ae play \-ˈkä-klē-ˌē, -ˈkō-klē-ˌī\, fenestra ro*tun*da play \-rō-ˈtən-də\
2 : an opening cut in bone
fenestralplay \fə-ˈne-strəl\ adjective
Recent Examples of fenestra from the Web
All these animals are united by subtle skull features, such as the absence of a hole in the lower jaw called the mandibular fenestra and the flat, wrinkle-cusped teeth set along the jaws.
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Origin and Etymology of fenestra
New Latin, from Latin, window
First Known Use: circa 1737See Words from the same year
Medical Definition of fenestra
fenestrae\-ˌtrē, -ˌtrī\play play
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