| Noun | 1. | chimneypiece - shelf that projects from wall above fireplace; "in England they call a mantel a chimneypiece"fireplace, hearth, open fireplace - an open recess in a wall at the base of a chimney where a fire can be built; "the fireplace was so large you could walk inside it"; "he laid a fire in the hearth and lit it"; "the hearth was black with the charcoal of many fires" shelf - a support that consists of a horizontal surface for holding objects | |