window sash

American  

noun

1. the frame holding the pane of a window.

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window sash British  

noun

1. a glazed window frame, esp one that opens

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Etymology

Origin of window sash

First recorded in 1755–65

Example Sentences

Shutters, window sashes, and doors also add some extra time, though these are easier to work with.

From Seattle Times

From 1815 to 1826, when Jefferson died, Hemings regularly made the trip from Monticello to Poplar Forest by wagon or cart, initially bringing with him the window sashes, moldings and doors made in the shop.

From Washington Post

I threw up the window sash and leaned out as far into the cool night as I dared.

From Literature

If there are gaps where the window sash or door closes against the jamb, it could be time to replace the weather stripping.

From Washington Post

They had to do extensive work to remove the window sashes and then paint parts of the remaining frames with a special automotive fade-resistant paint.

From Seattle Times