Having a cove or concave curved surface, especially in architecture where a wall curves smoothly into a ceiling.
From cove (a concave molding or small bay) + -ed (adjective suffix). Cove likely comes from Old English cofa (chamber/closet), related to Old Norse kofi.
Coved ceilings were favored in Renaissance architecture because the curved transition creates an optical illusion—the room feels larger and softer than sharp corners would make it seem.
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