What is the meaning of Gallus?

plural of gallu

a cock, rooster, cockerel

Alternative letter-case form of Gallus (Gaul; Galatian)

Alternative letter-case form of Gallus (Gaulish; Galatian)

one of the priests of Cybele in Phrygia and Rome who wore feminine clothes and typically castrated themselves

daring; confident; cheeky.

fit to be hanged; wicked; mischievous

Source: wiktionary.org