Definition of round window in US English:

round window


  • another term for "fenestra rotunda" (see fenestra)
    • ‘Travelling back outwards, this canal ends at the round window, a membrane that gives back into the middle ear and through which pressure is dissipated.’
    • ‘Outcome measures for surgical patching of the oval and round windows have varied considerably, with a real difficulty shown in distinguishing between true cure and placebo effect.’
    • ‘Vibrations of the oval window set the fluid in motion, and a third membrane, the round window in the lower gallery, allows the incompressible fluid to move.’