The Collaborative International Dictionary of English v.0.48:
Cacomixle \Ca`co*mix"le\, Cacomixtle \Ca`co*mix"tle\, Cacomixl \Ca"co*mix`l\, n. [Mexican name.] A North American carnivore (Bassaris astuta), about the size of a cat, related to the raccoons. It inhabits Mexico, Texas, and California. [1913 Webster]