Babesiidae
noun plural
Ba·be·si·i·dae
| \ ˌbab-ə-ˈzī-ə-ˌdē
, -ˈzē-
\
, -ˈzē-
\
Medical Definition of Babesiidae
: a family of the order Haemosporidia comprising minute protozoan parasites of mammalian red blood cells that are transmitted from host to host by the bite of a tick intermediate host and cause some destructive diseases of domestic animals — see babesia