case·​ment ˈkās-mənt How to pronounce casement (audio)
: a window sash that opens on hinges at the side
also : a window with such a sash

Examples of casement in a Sentence

Recent Examples on the Web Some people even set them up to vent out a sliding door or casement window, though this generally requires making adjustments to the window kit. Camryn Rabideau, Peoplemag, 1 July 2024 Window choices include single-hung, direct-set, and casement, just to name a few. Sunset Magazine, 28 May 2024 French casement doors are featured in the formal dining room, along with a lavish statement chandelier that draws attention to the center of the space. Natalia Senanayake, Peoplemag, 24 May 2024 This 19th-century warehouse oozes vintage charm, with antique bed frames, exposed wooden beams, and spectacular casement windows that open out onto the St. Lawrence River or bustling St. Paul Street. Sophie Dodd, Travel + Leisure, 9 May 2024 See all Example Sentences for casement 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'casement.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Middle English, hollow molding

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of casement was in the 15th century

Dictionary Entries Near casement

Cite this Entry

“Casement.” Dictionary, Merriam-Webster, Accessed 16 Jul. 2024.

Kids Definition


case·​ment ˈkā-smənt How to pronounce casement (audio)
: a window frame opening on hinges like a door
: a window with a casement

Biographical Definition


biographical name

Case·​ment ˈkās-mənt How to pronounce Casement (audio)
Sir Roger David 1864–1916 Irish rebel

More from Merriam-Webster on casement

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