ˈ ̷ ̷ ̷ ̷ˌfu̇l noun
( plural windowfuls also windowsful )
Etymology: window (I) + -ful
: as much or as many as a window will hold or allow to pass through or be visible
let in a whole windowful of light — Commonweal
a full train … piled with windowfuls of faces — Bruce Marshall