storm window

noun

Definition of storm window

  1. :  a sash placed outside an ordinary window as a protection against severe weather —called also storm sash

First Known Use of storm window

circa 1888


STORM WINDOW Defined for English Language Learners

storm window

noun

Definition of storm window for English Language Learners

  • : a second window that covers the usual outside window of a building for protection against cold and bad weather


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