: a window sash that opens on hinges at the side
also
: a window with such a sash
Examples of casement in a Sentence
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The 2,322-square-foot home is cozy yet ample, and features oversized casement windows, several of which have seats large enough for a child to curl up in with a book.
—
Mike Klingaman, Baltimore Sun, 14 Jan. 2025
There are a wealth of services out there that make beautiful window treatments, but far less of them that feel truly foolproof (try measuring a casement by yourself) and fall in a budget-friendly price range.
—Lila Allen, Architectural Digest, 17 Dec. 2024
Sunlight pouring in through the large casement window, which is open.
—Ayad Akhtar, The Atlantic, 4 Dec. 2024
There were also repairs made to the glass awning and steel casement windows.
—Abby Montanez, Robb Report, 25 Nov. 2024
See All Example Sentences for casement
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Mike Klingaman, Baltimore Sun, 14 Jan. 2025
There are a wealth of services out there that make beautiful window treatments, but far less of them that feel truly foolproof (try measuring a casement by yourself) and fall in a budget-friendly price range.
—Lila Allen, Architectural Digest, 17 Dec. 2024
Sunlight pouring in through the large casement window, which is open.
—Ayad Akhtar, The Atlantic, 4 Dec. 2024
There were also repairs made to the glass awning and steel casement windows.
—Abby Montanez, Robb Report, 25 Nov. 2024
See All Example Sentences for casement
Cite this Entry
“Casement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/casement. Accessed 26 Feb. 2025.
Copy CitationKids Definition
casement
noun
case·ment
ˈkā-smənt 
1
: a window frame opening on hinges like a door
2
: a window with a casement
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