Weather strip Meaning, Definition & Usage
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noun a narrow strip of material to cover the joint of a door or window to exclude the cold
weatherstripping; weatherstrip; weather stripping.
WordNet
Definitions
(Arch.) , a strip of wood, rubber, or other material, applied to an outer door or window so as to cover the joint made by it with the sill, casings, or threshold, in order to exclude rain, snow, cold air, etc.