Chimney-piece \Chim"ney-piece`\, chimneypiece \chimneypiece\, n.
(Arch.)
A decorative construction around the opening of a fireplace;
also, the shelf that projects from wall above fireplace;
{mantlepiece}. [Chiefly Brit.]
Syn: mantel, mantelpiece, mantle, mantlepiece.
[1913 Webster + WordNet 1.5]