hermitagePronunciation: /ˈhəːmɪtɪdʒ/Definition of hermitage noun 1the dwelling of a hermit, especially when small and remote. 2 (the Hermitage) a major art museum in St Petersburg, Russia, containing among its collections those begun by Catherine the Great. [named with reference to the ‘retreat’ in which the empress displayed her treasures to her friends]Origin: Middle English: from Old French, from hermite (see hermit)hermitage in other Oxford dictionaries Definition of hermitage in the US English dictionary