The noun worm has 4 senses (first 2 from tagged texts)
1. (3) worm -- (any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae)
2. (2) worm, louse, insect, dirt ball -- (a person who has a nasty or unethical character undeserving of respect)
3. worm -- (a software program capable of reproducing itself that can spread from one computer to the next over a network; "worms take advantage of automatic file sending and receiving features found on many computers")
4. worm -- (screw thread on a gear with the teeth of a worm wheel or rack)
Overview of verb worm
The verb worm has 1 sense (no senses from tagged texts)
1. writhe, wrestle, wriggle, worm, squirm, twist -- (to move in a twisting or contorted motion, (especially when struggling); "The prisoner writhed in discomfort"; "The child tried to wriggle free from his aunt's embrace")