Definition of ookinete in English:
ookinete
(also oökinete)
noun ˌəʊə(ʊ)ˈkʌɪniːtˌəʊəkɪˈniːt
Biology A zygote capable of autonomous movement, especially as a stage in the life cycle of some parasitic protozoa.
Origin
Early 20th century; earliest use found in Proceedings of the Royal Society of London. From German Ookinet, apparently from oo- + kinet- (in kinetisch).