a window

a light framework, made of timber, metal, or plastic, that contains glass or glazed opening frames and is placed in a wall or roof to let in light or air or to see through

an opening in the wall or roof of a building that is provided to let in light or airor to see through

the display space in and directly behind a shop window

any opening or structure resembling a window in function or appearance, such as the transparent area of an envelope revealing an address within

an opportunity to see or understand something usually unseen

a period of unbooked time in a diary, schedule, etc

a region of the spectrum in which a medium transmits electromagnetic radiation

an area of a VDU display that may be manipulated separately from the rest of the display area; typically different files can be displayed simultaneously in different overlapping windows

of or relating to a window or windows

to furnish with or as if with windows