Any of various parasitic flagellate protozoans of the genus Trypanosoma, transmitted to the vertebrate bloodstream, lymph, and spinal fluid by certain insects and often causing diseases such as sleeping sickness and nagana.
[From New Latin Trȳpanosōma, genus name : Greek trūpanon, auger (from trūpān, to bore, from trūpē, hole; see terə-1 in the Appendix of Indo-European roots) + Greek sōma, body; see -SOME3.]
try·pan′o·somal, try·pan′o·somic (-sŏmĭk) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.