Pontificium, cij, n. g. Substantiuè. Gell. The power or office of a bishop.
Pontificius, Adiectiuum. Of a bishop. vt Pontificium ius. Ci. The lawe of a bishop or prelate.
Lewis and Short: Latin dictionary
pontĭfĭcĭus, a, um, adj. [id.], of or belonging to a pontifex, pontifical: libri, Cic. N. D. 1, 30, 84; id. Rep. 2, 31, 54: jus, id. Fragm. ap. Non. 174, 7; Cic. Dom. 14. —II.Subst.(a). pontĭfĭcĭi, ōrum, m. (sc. libri), the pontifical books, Amm. 17, 7, 10.—(b). pontĭfĭcĭum, ii, n.A.Lit., the dignity of a pontiff or of a bishop (post-class.), Sol. 16 fin.; Cod. Th. 16, 5, 13.—B.Transf., the power or right of doing any thing: is, cujus negotium id pontificiumque esset, Gell. 1, 13, 3; Cod. Th. 8, 18, 1; Symm. Ep. 3, 17; 10, 44; Arn. 2, 89.