mansion Definition

mansion
noun

1. A large house, usually a grand or luxurious one.

Thesaurus: estate, villa, hall, castle, chateau, manor house.
(Brit)
2. Used eg as the name or address of a residential property: a large building divided into luxury apartments.

Example: Belgravia Mansions
Form: mansions
Form: Mansions
3. now rare
A manor-house.

Etymology: 14c in obsolete sense ‘a dwelling place': French, from Latin mansio remaining.