rhabditid noun2 •nematode in the family Rhabditidae.Many rhabditids are able to form a third stage resistant juvenile (dauer) which also may serve as an infective stage. — 1975 •Any nematode in the order Rhabditida.Reptiles are known to harbor three important genera of rhabditids: Entomelas, Rhabdias, and Strongyloides. — 2007 formsrhabditids