my horses name is mojaca… idk what that means… do you?

well i bought my horse almost 3 yrs ago he came with the name mojaca… but idk what the hell that means. the guy said silver eagle or sumthin like that which would make sense because hes a daple grey azteca (no im NOT a charro) but n e way… do u maybe know what it means???

and its mojaca (sounds like moe hawk uhh)

thanks