(n)wormany 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
(n)worma 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”
(v)writhe, wrestle, wriggle, worm, squirm, twistto 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”