worm
A generally tubular invertebrate of the annelid phylum; an earthworm.
Other meanings
More loosely, any of various tubular invertebrates resembling annelids but not closely related to them, such as velvet worms, acorn worms, flatworms, or roundworms. See Appendix:English worms.
A maggot or any other insect larva with similar shape and behavior.
Word history
From Old English "weorm".
Where this comes from
This definition is adapted from “worm” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.