casement

noun

case·​ment ˈkās-mənt 

: 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

Steel casement windows and oversize doors used throughout the house are salvaged. — Marissa Gluck, Los Angeles Times, 6 Oct. 2026

The lovely south-facing casement windows in the living room are original; at the other end of the apartment is enough room for a second bedroom or office, plus a closet). — Matthew Sedacca, Curbed, 5 Oct. 2026

In addition to its striking white stucco and red brick exterior with a terra cotta frieze done by artist Edgar Miller, the inside is light and airy with one-of-a-kind art glass casement windows. — Rachel Freundt, Chicago Tribune, 17 July 2026

Surrounded by wide open expanses of the Santa Monica Mountains, this modern abode has a direct connection with its surroundings via the sliding doors and casement windows that swing open to beckon in fresh air and sunlight. — Kristin Braswell, Architectural Digest, 30 June 2026

Word History

Etymology

Middle English, hollow molding

First Known Use

15th century, in the meaning defined above

Rhymes for casement

• abasement
• debasement
• defacement
• displacement
• effacement
• emplacement
• encasement
• misplacement
• outplacement
• replacement
• basement
• placement

Kids Definition

casement

noun

case·​ment ˈkā-smənt 

1

: a window frame opening on hinges like a door

2

: a window with a casement

Biographical Definition

Casement

biographical name

Case·​ment ˈkās-mənt 

Sir Roger David 1864–1916 Irish rebel