storm window

noun

1. a supplementary window sash for protecting a window against drafts, driving rain, etc.

storm window

noun

1. an additional window fitted to the outside of an ordinary window to provide insulation against wind, cold, rain, etc
2. a type of dormer window

Word History and Origins

Origin of storm window¹

First recorded in 1885–90

Example Sentences

There was no curtain, and the blind had not been drawn down, therefore the earth looked in at the storm-window.

From Project Gutenberg

Have you ever peeped up at the eaves above the little storm-window where you are so fond of sitting?

From Project Gutenberg

The room had a storm-window, of which the lattice stood open.

From Project Gutenberg