whipwormPronunciation: /ˈwɪpwəːm/Definition of whipworm noun a parasitic nematode worm with a stout posterior and slender anterior part, especially one that infests the intestines of domestic animals. Genus Trichuris, class Aphasmida (or Adenophorea) whipworm in other Oxford dictionaries Definition of whipworm in the US English dictionary