The Collaborative International Dictionary
Whipworm
Whipworm \Whip"worm`\, n. [So called from its shape.] (Zo["o]l.) A nematode worm ( Trichocephalus dispar) often found parasitic in the human intestine. Its body is thickened posteriorly, but is very long and threadlike anteriorly.
Wiktionary
whipworm
n. (taxlink Trichuris trichiura species noshow=1), a roundworm, causing trichuriasis when it infects a human large intestine.
Usage examples of "whipworm".
So far she had seen only normal activity, plus a genuine and duly recorded sighting of a speckled whipworm slithering out of sight between two rocks.