Lewis & Short

Cŏralli, ōrum, m., a people of Lower Mœsia, on the Danube, on the coast of the Black Sea, Ov. P. 4, 2, 37; 4, 8, 83.
Hence, Cŏrallĭcus, a, um, adj., of or belonging to the Coralli: pelagus, Cassiod. Var. 6.