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casement

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casement

Main Entry: case·ment

Pronunciation: \ˈkās-mənt\

Function: noun

Etymology: Middle English, hollow molding

Date: 15th century

: a window sash that opens on hinges at the side; also : a window with such a sash

Learn more about "casement"

Learn more about "casement" and related topics at Britannica.com

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