Haematozoa

Haematozoon H[ae]m`a*to*zo"["o]n (-t[-o]*z[=o]"[o^]n), n.; pl. {H[ae]matozoa} (-[.a]). [NL., fr. Gr. a"i^ma, a"i`matos, blood + zw^,on animal.] (Zo["o]l.) A parasite inhabiting the blood; esp.: (a) Certain species of nematodes of the genus {Filaria}, sometimes found in the blood of man, the horse, the dog, etc. (b) The trematode, {Bilharzia h[ae]matobia}, which infests the inhabitants of Egypt and other parts of Africa, often causing death. [1913 Webster]