The part of the floor of a room where a domestic fire is made or located, typically (in modern houses) below a chimney against a wall and often…

A fireplace or hearth. Obsolete exc. dialect.

A hearth; the back of a chimney or fireplace.

A place where a hearth is situated; a fireside. Hence in extended use: a homestead, a settled home.

The smoke arising from a particular hearth or fireplace; hence, a hearth, fireplace, house. Now rare.

A place for a fire; spec. an open-fronted structure at the base of a chimney which houses a domestic fire.

Structures or material forming a hearth.

A hearth; a fire in a hearth; (also) an altar. Chiefly figurative and in figurative contexts. Obsolete.

An area, compartment, or part of a device, structure, etc., in which fuel is burnt. The open chamber of a fireplace in which the fuel is burnt.