Nineveh. The greatest city in Assyria and for some time the capital of the country, was situated on the eastern bank of the Tigris at its junction with the stream of the Khosr. The walls of Nineveh are described as about 55 miles in circumference, 100 feet high, and thick enough to allow three chariots to pass each other on them; with 1500 towers, 200 feet in height. The city is said to have been entirely destroyed by fire, when it was taken by the Medes and Babylonians, about 606 B.C.

Ninians, St. A town and parish of Scotland, in Stirlingshire, about a mile south from Stirling. Several battles have been fought in this parish. The first was between the Scottish followers of Wallace and the English, who were defeated, the second was the famous battle of Bannockburn, and the third was that in which James III. of Scotland was defeated and slain by his rebellious nobles.

Nipple. Any small projection in which there is an orifice for discharging a fluid, or for other purposes, as the nipple of a percussion-lock, or that part on which the cap is put to be fired.

Niquibs (Ind.). Men whose military functions among the Sepoys correspond with those of corporals in other services.

Nisbet, or Nesbit (Northumberland, Eng.). Here a battle was fought between the English and Scotch armies, the latter greatly disproportioned in strength to the former. Several thousands of the Scots were slain upon the field and in the pursuit, May 7, 1402.

Nishapoor, or Nishapur. A town of Persia, province of Khorassan. The town is said to be very ancient, and to have existed in the time of Alexander the Great, by whom it was destroyed. In 1269 it was sacked by the Tartars, again by Ihengiz-khan, and in 1749 by Nadir Shah, from which last calamity it has never recovered.

Nisibis. The capital of ancient Mygdonia, the northeastern part of Mesopotamia. It was a place of great importance as a military post, was twice taken by the Romans (under Lucullus and Trajan), and again given up by them to the Armenians; but being a third time taken by Lucius Verus in 165, it remained the chief bulwark of the Roman empire against the Persians, till it was surrendered to them by Jovian after the death of Julian in 363.

Nissa, or Nish. A well-fortified town of Turkey in Europe, in the province of Servia, about 120 miles southeast from Belgrade. It commands the communication between the provinces of Servia, Bulgaria, and Roumelia. It was taken by Amurath II. in 1389, and again by the Austrians in 1737.

Nithing. A coward or poltroon.

Nitre. Potassium nitrate or saltpetre, the most important ingredient of gunpowder. It is obtained principally from the East Indies. It has been the policy of the American government to keep large quantities in store. See [Saltpetre].