Definition

Noun: A window that is attached to its frame by one or more hinges, typically on the side, allowing it to swing open like a door. The opening part is called a casement.

Usage

A casement window is a type of window design. It is opened and closed using a crank or lever, often providing a tight seal and good ventilation.

Examples

• Noun:
  • She opened the casement window to let in the fresh spring air.
  • The old cottage featured beautiful wooden casement windows with leaded glass.

Advanced Usage

• In architectural description: The term is used to specify a window's operational style, often contrasted with sliding sash windows or awning windows.
  • The architect specified double-glazed casement windows for their energy efficiency.

Variants and Related Words

• Casement (noun): The part of the window that opens; the hinged window sash itself.
  • He painted the wooden casement a fresh white color.

Synonyms

• Hinged window: A descriptive synonym emphasizing the opening mechanism.

Noun

1. a window with one or more casements