A sash window or hung sash window is made of one or more movable panels or `sashes` that form a frame to hold panes of glass, which are often separated from other panes (or `lights`) by narrow muntins. Although any window with this style of glazing is technically `a sash`, the term is used almost exclusively to refer to windows where the gla...
A vertical sliding window with either one or two sashes sliding
In a sash window, the window panels open by sliding up and down in vertical grooves, possibly aided by a system of cords and balanced weights.
In architecture, a sash-window is a window, consisting of two frames usually made of wood, fitted with one or more panes of glass either of which frames which may be slid up and down in grooves and are held in position by cords and weights in the window aperture.
[n] - a window with (usually two) sashes that slide vertically to let in air
noun a window with (usually two) sashes that slide vertically to let in air