Fenestration :: Fenestration (n.) The arrangement and proportioning of windows; -- used by modern writers for the decorating of an architectural composition by means of the window (and door) openings, their ornaments, and proportions..
Fenestration :: Fenestration (n.) The state or condition of being fenestrated.
Fenestrule :: Fenestrule (n.) One of the openings in a fenestrated structure.
Safeness :: Safeness (n.) The quality or state of being safe; freedom from hazard, danger, harm, or loss; safety; security; as the safeness of an experiment, of a journey, or of a possession..