schis·to·some I. \ˈ ̷ ̷ ̷ ̷ˌsōm\adjective Etymology: New Latin Schistosoma : of or relating to the genus Schistosoma < schistosome morphology > : caused by schistosomes II. noun (-s) Etymology: New Latin Schistosoma : a trematode of the genus Schistosoma or broadly of the family Schistosomatidae — called also blood fluke