UmbrielPronunciation: /ˈʌmbrɪəl/ AstronomyDefinition of Umbriel a satellite of Uranus, the thirteenth closest to the planet, discovered in 1851 (diameter 1,190 km). Origin:named after a sprite in The Rape of the Lock by Alexander PopeUmbriel in other Oxford dictionaries Definition of Umbriel in the US English dictionary
