noun, plural tau·ro·bo·li·a /-liə/ [-lee-uh] Show IPA .
the sacrifice of a bull, followed by the baptism of neophytes in the blood, as practiced in the ancient rites of Mithras or Cybele.
2. Fine Arts.
a representation of the killing of a bull, as in Mithraic art
1690–1700; < Late Latin < Greek taurobólion, equivalent to tauroból(os) bull sacrifice (taûro(s) bull + bólos a cast, throw, akin to bolḗ a wound, bállein to throw) + -ion diminutive suffix