A window or
Operable window : a window having a sash
that may be opened for ventilation.
a window with
at least one
used in combination with
Folding casement : a pair of casements
with rabbeted meeting stiles, hung in a
frame having no mullion.
The stile of a window
From which a casement
Meeting stile : one of the abutting tiles in a
pair of casements.
 French window: a pair of casement window
extending to the floor and serving as a
doorway, esp. from a room to an outside
porch or terrace.
Cremorne bolt: a vertical bolt used on
a French window or the like, consisting
of two rods moved by at a knob
mechanism and extending into
pockets in the head and sill of the
opening to provide a secure fastening.
Also Cremone bolt.
 Balconet : a railing or balustrade projecting
slightly beyond the plane of a window and
reaching to the floor, having the appearance
of a balcony when the window is fully open.
Awning window: a window having one or
more sashes swinging outward on hinges
generally attached to the top of the frame.
projected windows: a casement or awning
window in which the inner end of the sash
slides along track on the sill or jamb as the
sash swings outward.
 Hopper window: a window having one or
more sashes swinging outward on the
hinges generally attached on the bottom.
Also called hospital window.
12.  Picture window: a large, usually fixed single-pane
window, placed to frame an attractive exterior view.
 Window wall: a non-bearing wall composed of
primarily of vertical and horizontal farming members
containing a combination of fixed lights and
13.  Ribbon window: a horizontal band of windows.
Separated only by mullions.
Bay window: a window or series of windows
projecting outward from the main wall of the
building and forming a bay or alcove in a room
within, esp. One having its own foundation.
Window seat: a seat built into a recess
Of a window