hearthˈ-brush noun

A brush for sweeping the hearth

hearthˈ-money, hearthˈ-penny or hearthˈ-tax noun (historical)

A tax on hearths

hearth rug noun

A rug laid over the hearthstone or in front of the hearth or fireplace

hearthˈstone noun

1. A stone forming a hearth
2. A soft stone used for whitening hearths, doorsteps, etc