‖n. (Zool.) A univalve mollusk of the genus Haliotis. The shell is lined with mother-of-pearl, and used for ornamental purposes; the sea-ear. Several large species are found on the coast of California, clinging closely to the rocks. [ 1913 Webster ]
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 ]