or OUSOOR, a fortress of Hindustan, in the southern province of Mysore. It was first taken by the British in 1768, and again in 1791. After the death of Tipoo, this town, with the province, was made over to the new rajah of Mysore. It is twenty miles south-south-east from Bangalore. Long. 72. 52. E. Lat. 12. 41. N.

OSTERHOUT, a market-town of the Netherlands, in the province of North Brabant, and the arrondissement of Breda. It is a considerable place for making pottery ware and tiles, and has large markets three times a year for the sale of linen cloth. It is five miles to the north of Breda, and contains 6950 inhabitants.