(idiomatic) Something which provides information about or interaction with a variety of people, places, events, or things outside of one's immediate sphere of experience.

plural of gable window

(sociology) The Overton window.

plural of window of discourse

plural of cochlear window

(anatomy) The round window.

plural of round window

The death of a bird resulting from an impact with the window of a building. / (uncountable) Such deaths considered collectively.

plural of window-kill

(anatomy) A membrane-covered opening that leads from the middle ear to the cochlea of the inner ear.