round window

noun

: a round opening between the middle ear and the cochlea that is closed over by a membrane

Word History

First Known Use

1663, in the meaning defined above

Time Traveler
The first known use of round window was in 1663

Dictionary Entries Near round window

Cite this Entry

“Round window.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/round%20window. Accessed 2 Dec. 2022.

Medical Definition

round window

noun

: a round opening between the middle ear and the cochlea that is closed over by a membrane

called also fenestra cochleae, fenestra rotunda

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