Lewis Short
taurŏbŏlĭor, ātus
* V. dep. n. [id.].
* Lit., to make a sacrifice of a bull (taurobolium; late Lat.): matris deum sacra accepit et tauroboliatus est,Lampr. Heliog. 7; Inscr. Orell. 2351.
* Transf.: TAVROBOLIATA PETRA, set up to commemorate a taurobolium, Inscr. Orell. 2326.
Charlton T. Lewis, Charles Short, A Latin Dictionary