n 1  cap  :  the type genus of the family Babesiidae  2  :  any of the sporozoans of the genus Babesia or sometimes the family Babesiidae that are parasitic in mammalian red blood cells (as in Texas fever) and are transmitted by the bite of a tick - called also piroplasm 
V. Babès see BABES-ERNST GRANULE.
 
 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.