A window that has frames hinged on the side and that opens outward or inward.

A windowed, street-facing compartment in which a selection of a store's merchandise is displayed.

Alternative form of dormer-window

A person whose job is to arrange displays in shop windows

(astronautics) The specific time period during which a rocket or spacecraft may be launched in order to achieve its mission.

(architecture) A skylight that lies along the slope of the roof.

(architecture) An outside door with glass panes, serving as a window and a door

(electronics) A special type of comparator which provides an indication of whether the input voltage is within a specified range.

A (originally detachable) second window attached on the exterior side of a window in climates with harsh winters, to add an insulating layer of still air between the outside and inside.

A prescheduled time when a system can be taken off-line for maintenance, if necessary.