round window
noun
a membrane-covered opening in the inner wall of the middle ear that compensates for changes in cochlear pressure.
Origin of round window
First recorded in 1900–05
Words nearby round window
round tower,
round trip,
round turn,
round up,
round whitefish,
round window,
round-arm,
round-eye,
round-faced,
round-lotter,
round-off
Medical definitions for round window
round window
n.
An opening on the medial wall of the middle ear that leads into the cochlea and is covered by the secondary tympanic membrane.
fenestra of cochlea