window / (regional, dialect, Etchū region) a deep gap in a mountain ridge (so called for the way the wind blows through, like a window)

sound; echo; voice

a sound / when used with a "hear" verb, a rumor or fame / news, tidings / a reply, response

to fall / (computing) to go down (as when a computer or application becomes unresponsive) / (electrical engineering, of a circuit breaker) to trip / (informal) to fail an examination

glass ceiling

uranium glass

heart of glass

windshield, windscreen

window glass; plate glass

a glass slide, a microscope slide