Arrow slits in the walls of medieval fortifications, but more strictly applied to the round hole or circle with which the openings terminate. The same term is applied to the small circles inserted in the tracery-head of the windows of the Decorated and Perpendicular periods, sometimes varied with trefoils and quatrefoils.
Sponsor: Buy Online Advantage Multi For Dogs Today & Get Free Shipping + 12% Extra Discount. Guaranteed Cheapest. Limited Offer, Shop Now with Coupon Code: CPC12ON