\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.