The description of the word you requested from the astronomical dictionary is given below.
A moon of 32 km diameter at about 97,700 km from the planet Uranus. The gravity at its surface is about 0.0000 times as strong as on Earth. The moon goes once around its planet in about 22.1 hours. The moon was discovered in 2003. Also called UXXVI (Uranus twenty-six). Its provisional designation was S/2003 U1.