| uighur | (n) a member of a people who speak Uighur and live in Xinjiang and adjacent areas, Syn. Uigur, Uygur |
| uighur | (n) the Turkic language spoken by approximately 7, 000, 000 Uighur in extreme northwestern China, Syn. Uigur, Uygur |
| uighur | (n) the script (derived from Aramaic) used to write the Uighur language, Syn. Uigur, Uygur |
| uintatheriidae | (n) an extinct family of Dinocerata, Syn. family Uintatheriidae |
| uintatherium | (n) type genus of the Uintatheriidae; extinct large herbivorous ungulates somewhat resembling elephants; from the Eocene in Wyoming, Syn. genus Uintatherium |