Noun
Any of a group of protozoan parasites which are transmitted by biting insects and infect the blood of humans and other vertebrates; order Trypanosomatida in class Kinetoplastea
Trypanosoma, a genus within Trypanosomatida whose members are often referred to as trypanosomes
Trypanosoma brucei, a major human pathogen that causes sleeping sickness.
Trypanosoma cruzi, a major human pathogen that causes Chagas disease.
Trypomastigotes, a morphological class of trypanosomatids with a flagellum laterally attached to the cell body.
Source: en.wiktionary.org