Initialism of Open University. / Initialism of Ohio University. / Initialism of University of Oklahoma.

One who trampolines.

(historical) A Slavic language used from the 10th to the 14th centuries by East Slavs in the state of Kievan Rus and its successors. The ancestor of Belarusian, Russian, Rusyn and Ukrainian.

A sort of paperchase organised by the Hash House Harriers.