noun, plural tau·ro·bo·li·a [tawr-uh–boh-lee-uh] /ˌtɔr əˈboʊ li ə/.
- the sacrifice of a bull, followed by the baptism of neophytes in the blood, as practiced in the ancient rites of Mithras or Cybele.
- Fine Arts. a representation of the killing of a bull, as in Mithraic art.