Amphitheater

a double theater. The ancient theaters were nearly semicircular in shape; or, more accurately, they were half ovals, so that an amphitheater, theoretically consisting of two theaters, placed with their concavities meeting each other, was, loosely speaking, a nearly circular, or, more precise'y, an oval building. The Romans built amphitheaters wherever they went. Remains of them are still to be found in various parts of Europe; but the most splendid ruins existing are those of the Coliseum at Rome, which was said to have held 87,000 people. y Amsterdam, a city in Montgomery county, N. Y.; on the Mohawk. river and several trunk line railroads; 33 miles N. W. of Albany; is especially noted for its manufactures of knit goods, carpets, steel springs, and paper. Pop. f910) 81,267. or “dike of the Amstel’), the capital of the Netherlands.