Definition of casement
: a window sash that opens on hinges at the side; also : a window with such a sash
Recent Examples of casement from the Web
The house includes casement windows, copper screens and a finished, 500-square-foot basement.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'casement.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of casement
Middle English, hollow molding
First Known Use: 15th centurySee Words from the same year
Definition of Casement
Sir Roger David 1864–1916 Irish rebel
CASEMENT Defined for English Language Learners
Definition of casement for English Language Learners
: a window that opens on hinges like a door
CASEMENT Defined for Kids
Definition of casement for Students
1 : a window sash opening on hinges
2 : a window with a casement
Seen and Heard
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