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Glite Dictionary
window sash

window sash

1 4.6
A frame that holds the glass in a window and can move to open it
  • noun
  • /ˈwɪndoʊ sæʃ/
translation icon : marco de ventana
  • She strained to hoist the window sash.
  • an old window sash
  • the window sash and frame

Examples

  • After applying the paint, the window sash looked brand new and added charm to the room.

  • Bill the Cat slid in and out under the window sash, pursuing his own missions.

    Fiction book (2002)

  • The carpenter replaced the broken window sash to improve the energy efficiency of the house.

  • To let in fresh air, she opened the window sash after staying inside all day.

Synonyms

casement
vswindow sash
4 8.1

A window with hinges at the side that opens like a door

is the broader movable frame holding panes that is not limited to side hinges
sash
vswindow sash
3 5.1

A frame that holds pieces of glass and can move inside a window

is the same meaning but uses a longer phrase for this movable frame

Surface Forms

window sash singular
window sashes plural

Morphology

window + sash

The meaning of 'window sash' is directly and predictably derived from 'window' (an opening fitted with glass) plus 'sash' (the frame that holds and often slides the glass); it denotes the part of a window that holds the panes. This simple noun+noun composition follows transparent compositional patterns found across languages, so a B1 learner who knows both constituent words will understand the MWE.

Etymology

Window sash may come from an old word for a long strip or small frame that held the glass in a window. Think of sash as a wooden 'belt' that keeps the panes in place, and that is why window sash means the movable frame that 'holds' and opens a window.