A transparent platform of glass used to allow the occupants of a building or house look outside without exposing themselves to the elements.
Formerly used to refer to images in which a female character pressed her breasts against any glass or transparent flat surface, but this implication has since become obsolete. Please refer to breast press for those kinds of images.
Not to be confused with a software window (computing).
The following tags implicate this tag: open_window and round_window (learn more).