“window”

26 symbols from Material Design Icons

window-close

window-closed

window-maximize

window-minimize

window-open

window-restore

window-shutter

window-closed-variant

window-open-variant

window-shutter-alert

window-shutter-auto

window-shutter-cog

window-shutter-open

window-shutter-settings

dock-window

blinds

curtains

monitor

blinds-horizontal

blinds-open

blinds-vertical

curtains-closed

roller-shade

blinds-horizontal-closed

blinds-vertical-closed

roller-shade-closed