Ash-hole

The lower part of the furnace designed for receiving the ashes, and giving passage to the air, is called the Ash-hole. The ash-hole is terminated above the Grate, the use of which is to support the coals and wood, which are to be burnt thereon: this part is called the Fire-place.

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This provoked the Irishman and his wife, and as the old man was taking out ashes from an ash-hole, the master went down, and as the slave raised his head, the man struck him about the temple, with a long handled scrubbing-brush.

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The fireplace has a long chimney with an ashhole; the other part of the furnace, which contains the metal, is made either of a circular or oval shape, and vaulted ; its bottom is made of earth, rammed down

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As the walls rose to the level of the floors above, the great fireplace and the brick oven with its ash hole below, the smaller fireplaces for the parlor and the spare room were planned out,

Source: wiktionary