Ouse

Ouse, the name of several English rivers, of which the chief are (1) the Yorkshire Ouse, flowing through the great Vale of York southwards to the Humber, receiving the Swale, Ure, Nidd, Wharfe, and Aire from the W. and the Derwent from the E., and having in its basin more great towns than any other river in the country; (2) the Great Ouse, rising in the S. of Northamptonshire, pursuing a winding course NE. through the plains of Buckingham, Bedford, Huntingdon, Cambridge, and Norfolk to the Wash; and (3) the Sussex Ouse.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Ouida * Outram, Sir James
Ottawa River
Otterburn
Otto
Ottomans
Otway, Thomas
Oubliette
Oudenarde
Oudh
Oudinot, Duke of Reggio
Ouida
Ouse
Outram, Sir James
Overbeck, Friedrich
Overbury, Sir Thomas
Overland Route
Overreach, Sir Giles
Overstone, Baron
Ovid
Oviedo
Owen, John
Owen, Sir Richard