Mansion

1. To dwell; to reside.
2. A dwelling place, -- whether a part or whole of a house or other shelter.
3. The place in the heavens occupied each day by the moon in its monthly revolution.
4. A twelfth part of the heavens; a house. See 1st House, 8.
5. The house of the lord of a manor; a manor house; hence: Any house of considerable size or pretension.