Umbriel

[uhm-bree-el]

noun Astronomy.

a moon of the planet Uranus.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for umbriel

Historical Examples of umbriel

From their relative aspects in these respective positions I judge Umbriel to be about half as bright as Titania.
Scientific American Supplement, No. 303
Various

British Dictionary definitions for umbriel

Umbriel

noun

one of the main satellites of Uranus

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012