Galli

For the ancient ethnonym, see Gauls. For other uses of the singular form, see Gallus. For individuals surnamed Galli and for other uses, see Galli (disambiguation).
Relief of an Archigallus making sacrifices to Cybele and Attis, Museo Archeologico Ostiense, Ostia Antica

A gallus (pl. galli) was a eunuch priest of the Phrygian goddess Cybele (Magna Mater in Rome) and her consort Attis, whose worship was incorporated into the state religious practices of ancient Rome.