Caenorhabditis

noun

Cae·​no·​rhab·​di·​tis ˌsē-nō-rab-ˈdīt-əs 

: a genus of nematodes (order Rhabditida) that includes a small typically hermaphroditic soil nematode (C. elegans) which has a transparent body and is extensively studied in laboratories especially in relation to genetics, animal development, and neurobiology