RhymeZone: belgravian definitions

Definitions of Belgravian:

adjective: Of or pertaining to Belgravia, London.
adjective: (by extension) Of or pertaining to the fashionable or aristocratic life; fashionable, aristocratic.
noun: A resident of Belgravia, London.
noun: (by extension) A member of the fashionable or aristocratic society assumed to reside in Belgravia.

(Definitions from Wiktionary)