Définitions
1.NounA round moulding that encircles the base or top of a structural element, such as the architrave of a pillar, the terminus of a round pipe, the base of a cupola, etc.
2.NounThe ring on a cannon next to or behind the muzzle ring.
3.NounOne of several matching rings that encircle a curtain rod and from which the curtain is suspended.