AMPHITHEATRE, in gardening, a temple erected on a rising ground, of a semicircular figure. These amphitheatres are formed of ever-greens, observing always to plant the shortest growing trees in the front, and the tallest behind. They are also made of slopes on the sides of hills, and covered with turf, being formerly esteemed great ornaments in gardens; but they are now generally excluded, as the natural slope of such hills is, to persons of true taste, far more beautiful than the stiff angular slopes of these amphitheatres.