cornice

US /ˈkɔːr.nɪs/
UK /ˈkɔːr.nɪs/
"cornice" picture
1.

an ornamental molding around the wall of a room just below the ceiling

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The elegant room was adorned with a decorative cornice.
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They installed a new cornice to give the living room a classic look.
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moldingtrimfriezearchitravecoving
2.

a projecting mass of snow, ice, or rock formed by wind on a ridge or crest

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Climbers must be wary of unstable cornices on mountain ridges.
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The sudden collapse of a large cornice caused an avalanche.
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overhangledgeshelf