worm drive noun1 •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. formsworm drives
WORM drive noun1 •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. formsWORM drives