storm window
noun
a supplementary window sash for protecting a window against drafts, driving rain, etc.
Origin of storm window
First recorded in 1885–90
Also called storm sash.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for storm window
Historical Examples of storm window
The room had a storm-window, of which the lattice stood open.
David ElginbrodGeorge MacDonald
There was no curtain, and the blind had not been drawn down, therefore the earth looked in at the storm-window.
Robert FalconerGeorge MacDonald
storm window
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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