A concave molding or trim, often used along the top of a wall where it meets the ceiling; the process of creating such molding.
From cove (a concave arch or molding), from Middle Dutch cove, possibly from Latin cavus (hollow). The -ing suffix indicates either the object or the process.
Coving is used everywhere from hospital ceilings (where it prevents germs from hiding in corners) to fancy homes, and it's pure geometry—the curve is usually a quarter-circle for structural elegance!
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