Trappe, La, a narrow valley in the Norman dep. of Orne, near Mortagne. Its Cistercian abbey (12th c.) was reformed in 1662 by the Abbe de Rance into the rigorous Trappist community.
Trasimene Lake, a shallow Italian lake lying between the towns of Cortona and Perugia. Girt by hills, it is 10 miles long by 8 wide, and in some parts 20 feet deep. There is no outlet; the flat and reedy margins have been planted with eucalyptus trees. In 1894 the government sanctioned a scheme for draining the lake, which is memorable for Hannibal's great victory in 217 B.C. over the Romans.
Tras-os-Montes. See Traz-os-Montes.
Traun See. See Gmunden.
Travancore, a protected state between the sea and the Western Ghats (q.v.) in the extreme south of India, bounded N. by Cochin, and ending in Cape Comorin. Area, 6730 sq. m.; pop. (1881) 2,401,158; (1901) 2,951,038, mainly Hindus, belonging to 420 castes, from Brahmans to Negroid hill-men. Nairs are over 25 per cent., Mohammedans only 7. There are many native Christians of the Syrian rite, and some black Jews. Westward of the hill-foots is a level belt, 10 miles wide, covered with cocoa-nut and areca palms. The lagoons or backwaters along the coast Travancore shares with Cochin. Towns are the capital, Trivandram (pop. 57,887), Aulapolai, and Quilon. See a work by Mateer (1883).
Travemunde. See Lubeck.
Traz-os-Montes ('Beyond the Mountains'), a province of NE. Portugal. Area, 4291 sq. m.; pop. 427,360.
Trebbia (anc. Trebia), a southern tributary of the Po, which rises in the Apennines. Here Hannibal routed the Romans, 218 b.c.
Trebizond' (Old Gr. Trapezous; mediaeval Lat. Trebisonda; Turk. Tarabzun), the capital of a province of NE. Asia Minor, and a flourishing Black Sea port. It is surrounded by walls, outside which are Christian suburbs. The harbour is only a roadstead, but there is regular communication with Constantinople, the mouth of the Danube, and the Mediterranean. The city's silk manufactures are decaying. On the capture of Constantinople by the Crusaders in 1204 one of the imperial Byzantine family, Alexis, founded the Empire of Trebizond - which stretched from the Phasis to the Halys - and repelled the Turks till 1462. Pop. 50,000.
Trede'gar, a town of Monmouthshire, 12 miles WSW. of Abergavenny and 7 ENE. of Merthyr-Tydvil. Grown from a mere village since 1800, it stands in a district rich in coal and ironstone, and is the seat of huge iron and steel works. Pop. (1851) 8305; (1881) 18,771; (1901) 18,574.