Definify.com

Webster 1913 Edition

Adj.

Having windows or openings.

[R.]

“Looped and windowed raggedness.”

Shak.

windowed ‎(not comparable)

Fitted with windows (often of a particular kind).
a bow-windowed room
(computing, graphical user interface) Occupying only a part of the screen (in a window.)
This game can be played both in windowed mode and in full-screen mode.

fitted with windows