noun / verb
curtain
KUR-tuhn/ˈkɜːrtn/
A hanging fabric screen that covers an opening.
The folded curtain covers most of the window, leaving a narrow pane exposed.

Etymology
Latin cortina meant a round vessel or cauldron before it meant a fabric screen. The curtain sense apparently arose through its use as a biblical loan-translation of the Greek word for a curtain.
In context
hanging the curtain rod as far as i can out that way when the curtains are open they fill in those little random gaps on the sides of the windows
More examples
- The shower curtain keeps water off the bathroom floor.
- The stage curtains open as the music begins.
- The staff curtains off each bed for privacy.
Forms
curtain · curtains · curtained · curtaining