'Bologna sausage' definitions:

Definition of 'Bologna sausage'

noun

Large smooth-textured smoked sausage of beef and veal and pork [syn: bologna, Bologna sausage]

From: GCIDE

Bologna \Bo*lo"gna\, n.
1. A city of Italy which has given its name to various objects. [1913 Webster]
2. A Bologna sausage; also informally called baloney. [1913 Webster]
Bologna sausage [It. salsiccia di Bologna], a large sausage made of bacon or ham, beef, veal, and pork, cooked and smoked, 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. [1913 Webster]

From: GCIDE

baloney \ba*lo"ney\, n.
1. [Believed to be derived form balogna, but perhaps also influenced by blarney.] nonsense; foolishness; bunk; -- also used as an interjection. [Also spelled boloney.] [slang] [PJC]
No matter how thin you slice it, it's still baloney! --Al Smith. [PJC]
2. informal variant of bologna[2], for bologna sausage. [informal] [PJC]