See JEOP- TZAR, TZARINA. The emperor and ARDY; ONCE IN JEOPARDY . empress of Russia. See CZAB. U. B. 1181 UBI NON EST MANIFESTA u U. B. An abbreviation for “Upper Bench.” U. C. An abbreviation for “Upper Canada,” used in citing the reports. U. R. Initials of “uti roc/as,” be it as you desire, a ballot thus inscribed, by which the Romans voted in favor of a bill or candidate. Tayl. Civil Law, 191. U. S. An abbreviation for ” United States .”