sash window

1. 1.

   a window with (usually two) sashes that slide vertically to let in air

   Broaderwindow

Questions about sash window

What does sash window mean?

sash window means "a window with (usually two) sashes that slide vertically to let in air".

Is sash window a common word?

sash window is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.