Lewis & Short

sā̆crĭcŏla, ae, comm. [sacer-colo], one who conducted the sacra, a sacrificer, sacrificing priest or priestess (post-Aug.), Tac. H. 3, 74 (for which, sacrificuli, Suet. Dom. 1); App. Flor. 4, p. 361, 36; Macr S. 5, 19; Amm. 22, 14, 3.
In apposition: reges sacricolae, i. e. sacrificing, Prud. adv. Symm. 1, praef. 47.