urano

2. (Astron.) One of the primary planets. It is about 1,800,000,000 miles from the sun, about 36,000 miles in
diameter, and its period of revolution round the sun is
nearly 84 of our years.
[1913 Webster]

Note: This planet has also been called Herschel, from Sir William Herschel, who discovered it in 1781, and who
named it {Georgium Sidus}, in honor of George III.,
then King of England.
[1913 Webster]

Source: The Collaborative International Dictionary of English