also: サッシュ
sash; sliding window frame
In Japanese, primarily refers to the metal frame of a sliding window or door, not a fabric sash. The English word 'sash' can also mean a fabric band, but that is not the primary meaning in Japanese.
After replacing the window frames with new sashes, the room became much warmer.
The window sashes in this apartment are old, so drafts come in.
We installed an aluminum sash on the window.
The sash in the old house is warped and hard to open.
steel sash
Standard katakana spelling for the loanword.
Alternate katakana spelling, closer to the English pronunciation; less common than サッシ.
Loanword from English 'sash', referring to a window frame. The meaning has narrowed in Japanese to primarily denote metal sliding window frames.