overmantel

plural overmantels

1. A decorative structure, usually plasterwork or carved wood, and sometimes containing a mirror, over a mantelpiece.First known use 19th c.

   She strode to the fireplace and examined a lidded crystal vase on the overmantel.

   1992, Alasdair Gray, Poor Things, Bloomsbury, published 2002, page 191

   2 more examples

   The quintets of candles on the girandoles hanging on either side of the high overmantel gave out an unflickering radiance […].

   1916, Dorothy Richardson, Backwater

   Ushered into the small front room, Podson found himself restored to a habitable world. A tightly stuffed couch, chintz-covered armchairs, an overmantel mirror with swans painted on it, flowers in various vases, photos in metal frames.

   1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, →OCLC, page 145