GEORGETOWN, a city in the United States of North America, district of Columbia, on the left bank of the Potomac river, 2 miles W.N.W. of Washington city, from which it is separated by Rock Creek. It is beautifully situated on a range of hills rising above the river and undulating along its banks. The "heights" are lofty eminences overlooking the city, and occupied by splendid villas and extensive gardens in the highest state of cultivation. On the heights is Oak Hill cemetery, tastefully laid out and surrounded by a massive iron railing. Georgetown has a Roman Catholic university, with a library of 25,000 vols., an extensive philosophical apparatus, and a museum of natural history; a nunnery, with a female academy; botanic garden, and various other literary institutions. The aqueduct which conveys the Chesapeake and Ohio canal over the Potomac is a stupendous work, 1446 feet in length; the piers, nine in number, and 36 feet above high-water, are of granite, resting upon the solid rock 17 feet below the bottom of the river. The manufactures are considerable and flourishing. In 1850 there were 59 establishments in operation, among which were numerous flour-mills, a rolling-mill, and a cotton-factory. Georgetown carries on an extensive foreign and coasting trade. On 30th June 1852 its registered shipping amounted to 2955 tons, and its enrolled and licensed to 23,241 tons. Pop. (1850) 8366.