sash
window sash

It seems the piece they took was holding up a window sash.

In either case, start by removing the lower window sash.

The ski rope a was made from a long window sash.

There was the sound of a window sash being raised.

Nor did any one hear the slow shutting of the window sash that followed.

I raised the window sash and looked out to the right.

One of the window sashes had not been secured properly.

He pulled the window sash open to let the air cool him.

Rose jumped from the bed and threw up the window sash.

He was to hold onto the window sash while cleaning.