SEMUR, an arrondissement of the department of Côte d'Or, in France, which extends over 598 square miles. It is divided into six cantons, and these into 145 communes, with a population, in 1836, of 70,505 inhabitants. The capital is the city of the same name, standing on a rock washed on three sides by the river Armançon. It contains a fine collegiate church, built in 1065, a public library with 12,000 volumes, and 920 houses, with 4035 inhabitants, who make some woollen goods, and trade largely in wine, cattle, corn, and hemp. Long. 3. 30. E. Lat. 47. 18. N.