Veterinary Diseasesany of several tick-borne diseases of cattle, dogs, horses, sheep, and swine, caused by a babesia protozoan and characterized by fever and languor.
Also, bab•e•si•a•sis(bab′i sī′ə sis, -zī′-, bā′bə-).USA pronunciation Also called piroplasmosis. Cf. tick fever.