A generally tubular invertebrate of the annelid phylum; an earthworm. • 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. • Any creeping or crawling animal, such as a snake (cf. “dragon”; blindworm, slowworm, “legless lizard”), snail, or caterpillar. • A maggot or any other insect larva with similar shape and behavior. • A dragon, today especially Germanic dragon, more often of the serpentine or wingless type, for example sea serpent, but also any kind of dragon. • Either a mythical "dragon" (especially wingless), a gigantic sea serpent, or a creature that resembles a Mongolian death worm. • A contemptible or devious being. • A self-replicating program that propagates through a network by copying itself, differing from a virus which seeks to propagate by inserting its code into other executable files. • A graphical representation of the total runs scored across a number of overs. • Anything helical, especially the thread of a screw. • A spiral instrument or screw, often like a double corkscrew, used for drawing balls from firearms. • The spiral wire of a corkscrew. • A muscular band in the tongue of some animals, such as dogs; the lytta. • The condensing tube of a still, often curved and wound to save space. • A short revolving screw whose threads drive, or are driven by, a worm wheel or rack by gearing into its teeth. • An internal tormentor; something that gnaws or afflicts one’s mind with remorse. • A strip of linked tiles sharing parallel edges in a tiling. • The lytta. • A dance, or dance move, in which the dancer lies on the floor and undulates the body horizontally thereby moving forwards.