What is the meaning of Hearth?

The place in a home where a fire is or was traditionally kept for home heating and for cooking, usually constituted by at least a hearthstone and often enclosed to varying degrees by any combination of reredos, fireplace, oven, smoke hood, or chimney.

A hearthstone, either as standalone or as the floor of an enclosed fireplace or oven.

A fireplace: an open recess in a wall at the base of a chimney where a fire may be built.

The lowest part of a metallurgical furnace.

A brazier, chafing dish, or firebox.

Home or family life.

A household or group in some forms of the modern pagan faith Heathenry.

heart

Source: wiktionary.org