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"火をおこすことができる、煙突の土台の壁に開いたくぼみ煖炉
例:The fireplace was so large you could walk inside it. その中を歩けるくらい、暖炉はとても大きかった。