a town of Spain, in the province of Estremadura, is seated on an eminence, nine miles from the frontiers of Portugal. It is commanded by an almost impregnable fortress, built on a high mountain, and serving to defend the town. It carries on a great trade in wool and woollen manufactures. It was taken by the allies of Charles king of Spain in 1705. W. Long. 7°. N. Lat. 38°. 52'.