definition of
worm

[1] #1 worm n. 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. wn

[2] #2 worm n. [louse, insect, dirt ball] a person who has a nasty or unethical character undeserving of respect. wn

[3] #3 worm v. [writhe, wrestle, wriggle, 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". wn

[4] #4 worm n. 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". wn

[5] #5 worm n. screw thread on a gear with the teeth of a worm wheel or rack. wn