We use cookies to enhance your experience on our website. By continuing to use our website, you are agreeing to our use of cookies. You can change your cookie settings at any time. Find out more

Subscriber login

Library card login

Other

X Close menu

Dictionary Language resources

casement

Syllabification: (case·ment)

Pronunciation: /ˈkāsmənt/

Definition of casement

noun

a window or part of a window set on a hinge so that it opens like a door: [as modifier]:casement windows
chiefly literary a window.
the sash of a sash window.

Origin:

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