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worm medical definition
noun
- Any of various invertebrates, as those of the phyla Annelida, Nematoda, Nemertea, or Platyhelminthes, having a long, flexible, rounded or flattened body, often without obvious appendages.
- Any of various crawling insect larvae, such as a grub or caterpillar, having a soft, elongated body.
- Any of various unrelated animals, such as the shipworm or the slowworm, resembling a worm in habit or appearance.
- worms Infestation of the intestines or other parts of the body with worms or wormlike parasites; helminthiasis.
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