noun — 2 senses
A gear arrangement consisting of a screw (the worm) whose thread meshes with a gear wheel (the worm wheel) to turn the direction of drive through a right angle, typically with a large (1:10 to 1:60) speed reduction and similar torque increase.
Computer hardware, Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A write once, read many drive; data storage technology that allows information to be written to a disc a single time and prevents the drive from erasing the data.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for worm drive and WORM drive.