DIEZ, a bailiwick in the duchy of Nassau, in Germany, extending over about 35,000 English acres, and containing a population of 11,487 inhabitants, in two cities and thirty-eight villages. The capital is a city of the same name, situated on the river Lahn, with an industrious population of 2300 persons.
DIFF is the name of an instrument of music among the Arabs, serving chiefly to beat time to the voice; it is a hoop, sometimes with pieces of brass fixed to it to make a jingling, over which a piece of parchment is distended. It is beat with the fingers, and is the true tympanum of the ancients.