fenes'tra, pi. /g«e5'/r

(r [L. window.] i. An anatomical aperture, often closed by a membrane. 2 An opening left in a plaster-of-Paris or other form of fixed dre ing in order to permit of acce to a wound or of inspection of the part. 3. The opening in one of the blades of a forceps, f. coch'leae [BNA], fenestra of the cochlea, cochlear window, f. rotiuida, an opening on the inner wall of the tympanum leading into the cochlea, closed in life by the membrana tympani secund aria. f. ova'lis, oval window, f. vestibuli [BNA]. f. rotun'da, round window, f. cochleae [BNA]. f. vestib'uli [BNA], fenestra of the vestibule, vestibular window, f. oval is; an oval opening on the inner wall of the tympanic cavity leading into the vestibule, closed in life by the foot of the stapes.