-nəs, -ˌnas noun
Etymology: New Latin, from herpet- + -monas
1. capitalized : a genus of flagellates of the family Trypanosomatidae that are parasites of the gut of insects
2. -es : any flagellate of the genus Herpetomonas ; also : any member of the Trypanosomatidae that appears to have two flagella due to precocious duplication of the locomotor apparatus