worm

nouns

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

worm

is derived from

wormy

is a type of (narrower)

any animal lacking a backbone or notochord; the term is not used as a scientific classification

invertebrate

a person who has a nasty or unethical character undeserving of respect

dirt ball, insect, louse, 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"

worm

is a type of (narrower)

a computer program designed to have undesirable or harmful effects

malevolent program

screw thread on a gear with the teeth of a worm wheel or rack

worm

is a part of

gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion

worm gear

is a type of (narrower)

a fastener with a tapered threaded shank and a slotted head

screw

verbs

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"

squirm, twist, worm, wrestle, wriggle, writhe