Definition of casement in English:

casement

Syllabification: case·ment
Pronunciation: /ˈkāsmənt
 
/

noun

1A window or part of a window set on a hinge so that it opens like a door: [as modifier]: casement windows
More example sentences
  • A casement window works like a door, with hinges on one side and the lock and handle on the other.
  • Leaded casement windows opened on to the tiny plaza in front of the cathedral and a breeze billowed tapestry-like curtains in the bedroom and sitting rooms.
  • The new room measures only 12x13 feet but feels far more spacious thanks to a large casement window and sliding glass doors that open onto a new deck.
1.1chiefly literary A window.
More example sentences
  • She never really noticed much even though that large casement exposed the contents of the store like the box of a toy with the cellophane window.
  • The stained-glass insert in the astronomer's casement is the one minor detail that differentiates the two hourglass windows.
1.2The sash of a sash window.
More example sentences
  • Instead, he preferred casement sashes, which he placed in strips, one after the other.

Origin

late Middle English (as an architectural term denoting a hollow molding): from Anglo-Latin cassimentum, from cassa, from Latin capsa (see case2).

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