Camus | Webster's Dictionary of the English Language

camus
cāmus, i, m., = κημός (Dor. καμός). I A muzzle for horses (only in eccl. Lat.), Vulg. Psa. 31, 9;...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
camus
cāmus ī, m , κημός, a curb, used as an instrument of torture: civīs tradere camo, H. dub. ...

An Elementary Latin Dictionary