1. A creeping or a crawling animal of any kind or size, as a serpent, caterpillar, snail, or the like. There came a viper out of the heat, and leapt on his hand. When the men of the country saw the worm hang on his hand, they said, This man must needs be a murderer. (Tyndale (acts xxviii. 3, 4)) 'T is slander, Whose edge is sharper than the sword, whose tongue Outvenoms all the worms of nile. (Shak) When Cerberus perceived us, the great worm, His mouth he opened and displayed his tusks. (Longfellow)
same as vermes.
4. A being debased and despised. I am a worm, and no man. (Ps. Xxii. 6)
(Science: botany) A tincture prepared from dried earthworms, oil of tartar, spirit of wine, etc. Worm wheel, a cogwheel having teeth formed to fit into the spiral spaces of a screw called a worm, so that the wheel may be turned by, or may turn, the worm; called also worm gear, and sometimes tangent wheel.
Origin: OE. Worm, wurm, AS. Wyrm; akin to D. Worm, OS. & G. Wurm, Icel. Ormr, Sw. & Dan. Orm, Goth. Waorms, L. Vermis, Gr. A wood worm. Cf. Vermicelli, Vermilion, Vermin.