carnyx
n//ˈkɑɹnəˌsiz//carnyx
(brass instrument, historical) A bronze wind instrument used by Iron Age Celts (c. 200 B.C.E. – 200 C.E.) as a type of battle trumpet; held vertically when played, it was shaped like an elongated S with a mouthpiece at the lower end and a bell (often resembling an animal with an open mouth) at the upper end.