noun

a piece of material suspended at the top to form a screen, typically movable sideways along a rail and found as one of a pair at a window.

she drew the curtains and lit the fire

window hanging,hanging,screen,blind,net curtain,cafe curtain,portière,blackout,drop curtain,drop scene,tableau curtain,safety curtain,drape,purdah,cover,shield,cloak,veil,pall

verb

provide with a curtain or curtains.

is it OK if we only curtain the lower windows?