"hearths" in the noun sense
1. 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"
2. hearth, fireside
home symbolized as a part of the fireplace
"driven from hearth and home"
"fighting in defense of their firesides"
3. hearth, fireside
an area near a fireplace (usually paved and extending out into a room
"they sat on the hearth and warmed themselves before the fire"
Source: WordNet® (An amazing lexical database of English)
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