Hearth"stone` (-stōn`), n. Stone forming the hearth; hence, the fireside; home.

Chords of memory, stretching from every battlefield and patriot grave to every living heart and hearthstone.

• A flat stone used to form a hearth.
  
• By extension: The fireside, home life.
       
• 1846: Ralph Waldo Emerson, Good-Bye, line 15 - I am going to my own hearth-stone, / Bosomed in yon green hills alone,
       
• 1861: Abraham Lincoln, First inaugural address - The mystic chords of memory, stretching from every battle-field, and patriot grave, to every living heart and hearth-stone, all over this broad land
       
• 1876: Richard J. Hinton, English Radical Leaders, page 55 - The denominational relations of a household will shape the future political positions of the young men growing around the hearth-stone, just as they did those of their fathers
  
• A soft kind of stone used to whiten soor-steps, scour floors, etc.
       
• 1861: Henry Mayhew, London labour and the London Poor, vol. 1, page 29 - Lastly, there is the hearth-stone barrow, piled up with hearth-stone, Bath-brick and lumps of whiting
  
• (transitive) To scour, as a floor, with hearthstone.
       
• 1876: Hallberger's Illustrated Magazine, page 202 - We've a woman come in twice a week, to scrub, and red-brick, and hearthstone, and black-lead, and the rest we manage ourselves.