01 n. Any horizontal, molded or otherwise decorated projection which crowns or finishes the part to which it is affixed; as, the cornice of an or…
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1.
Any horizontal, molded or otherwise decorated projection which crowns or finishes the part to which it is affixed; as, the cornice of an order, pedestal, door, window, or house.(Arch.)
Phrases & compounds
Cornice ring —
the ring on a cannon next behind the muzzle ring.