Bologna (147), an ancient walled city of Italy, on a fertile plain, at the foot of the Lower Apennines, 83 m. N. of Florence; has many fine buildings, a university, one of the oldest in Europe, schools of music and art, libraries, and art collections. There are some silk and other industries, and considerable trade.

Bo*lo"gna (&?;), n. 1. A city of Italy which has given its name to various objects.

2. A Bologna sausage.

Bologna sausage [It. salsiccia di Bologna], a large sausage made of bacon or ham, veal, and pork, chopped fine and inclosed in a skin. -- Bologna stone(Min.), radiated barite, or barium sulphate, found in roundish masses composed of radiating fibers, first discovered near Bologna. It is phosphorescent when calcined. -- Bologna vial, a vial of unannealed glass which will fly into pieces when its surface is scratched by a hard body, as by dropping into it a fragment of flint; whereas a bullet may be dropped into it without injury.