fenestra

noun
fe·​nes·​tra | \ fə-ˈne-strə How to pronounce fenestra (audio) \
plural fenestrae\ fə-​ˈne-​ˌstrē How to pronounce fenestrae (audio) , -​ˌtrī \

Definition of fenestra

1 : a small anatomical opening (as in a bone): such as
a or fenestra ovalis \ -​ō-​ˈvā-​ləs How to pronounce fenestra ovalis (audio) \ or fenestra vestibuli \ -​ve-​ˈsti-​byə-​ˌlī How to pronounce fenestra vestibuli (audio) \ : oval window
b or fenestra cochleae \ -​ˈkä-​klē-​ˌē How to pronounce fenestra cochleae (audio) , -​ˈkō-​klē-​ˌī \ or fenestra rotunda \ -​rō-​ˈtən-​də How to pronounce fenestra rotunda (audio) \ : round window
2 : an opening cut in bone

Keep scrolling for more

Other Words from fenestra

fenestral \ fə-​ˈne-​strəl How to pronounce fenestral (audio) \ adjective

Examples of fenestra in a Sentence

Recent Examples on 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. Brian Switek, WIRED, "The Jurassic’s Housecat Croc," 6 June 2012

First Known Use of fenestra

circa 1737, in the meaning defined at sense 1

History and Etymology for fenestra

New Latin, from Latin, window

Keep scrolling for more

Keep scrolling for more

More Definitions for fenestra

fenestra

noun
fe·​nes·​tra | \ fə-ˈnes-trə How to pronounce fenestra (audio) \
plural fenestrae\ -​ˌtrē How to pronounce fenestrae (audio) , -​ˌtrī How to pronounce fenestrae (audio) \

Medical Definition of fenestra

1 : a small anatomical opening (as in a bone): as
2a : a small opening cut in bone : window sense 2
b : a small opening in a surgical instrument (as an endoscope)

Other Words from fenestra

fenestral \ -​trəl How to pronounce fenestral (audio) \ adjective