What is "mausolean"

Usage examples of "mausolean".

With a dull, hideous grating, the uncovered door swung inward, thick and ponderous as a mausolean slab, leaving an aperture from which the nether midnight seemed to well like a flood of aeon-buried foulness.

Then, peering within, we saw the clay-touched outline of the unreturning footprints that went downward into mausolean darkness on the stairs.

We went on, following a main street, and the pavements echoed to our tread in the stillness with a hollow sound, as if the solid stone beneath them had been honeycombed with mausolean vaults in the interim of our weird vigil.