Dictionary.com

window sash

noun

the frame holding the pane of a window.

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Origin of window sash

First recorded in 1755–65

Words nearby window sash

windowing, windowless monad, windowlight, windowpane, Windows, window sash, window seat, window shade, window-shop, windowsill, window tax
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for window sash

British Dictionary definitions for window sash

window sash

noun

a glazed window frame, esp one that opens
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012