or Acra, a sea-port town in Syria. It was formerly called Ptolemais, and is a bishop's see. It was very famous in the time of the crusaders, and underwent several sieges both by the Christians and Saracens. It is now an inconsiderable town, being entirely supported by its harbour, which is frequented by ships of several nations. It is 20 miles S. of Tyre, and 37 N. of Jerusalem, 39° 25' E. long. 32° 40' lat.

in the Mogul's dominions, the same with lack, and signifies the sum of 100,000 rupees; the rupee is of the value of the French crown of 3 livres, or 30 florins of Holland; an 100 lacks of rupees make a couron in Indostan, or 10,000,000 rupees; the pound Sterling is about 8 rupees; according to which proportion, a lack of rupees amounts to 12,500 pounds Sterling.

a measure of land used in several provinces of France, particularly in Normandy. It is larger or less according to the different places; but commonly contains 160 perches.

The Acre of woods in France, consists of four roods, called vergers; the rood is 40 perches, the perch 24 feet, the foot 12 inches, the inch 12 lines.

the universal measure of land in Britain. An acre in England contains 4 square roods, a rood 40 perches or poles of 16½ feet each by statute. Yet this measure does not prevail in all parts of England, as the length of the pole varies in different counties, and is called customary measure, the difference running from the 16½ feet to 28. The acre is also divided into 10 square chains, of 22 yards each, that is 4840 square yards. An acre in Scotland contains 4 square roods; 1 square rood is 40 square falls; 1 square fall, 36 square ells; 1 square ell, 9 square feet, and 73 square inches; 1 square foot, 144 square inches. The Scots acre is also divided into 10 square chains; the measuring chain should be 24 ells in length, divided into 100 links, each link 8½ inches; and so 1 square chain will contain 10,000 square links.

The English statute acre is about 3 roods and 6 falls standard measure of Scotland.