An accessible structure extending from a building, especially outside a window.
An accessible structure overlooking a stage or the like.
A covered entrance to a building, whether taken from the interior, and forming a sort of vestibule within the main wall, or projecting without and with a separate roof. A porch often has chair(s), table(s) and swings.
A portico; a covered walk.
The platform outside the external hatch of a spacecraft.