worm wheel

noun

1. worm gear ( def 2 ).

Other Words From

• worm-wheel adjective

Word History and Origins

Origin of worm wheel¹

First recorded in 1670–80

Example Sentences

A worm drives a worm wheel, which makes an electrical contact once for each 100 rotations of the worm.

From Project Gutenberg

Worm wheel and worm are carefully cut, and protected by brass shields.

From Project Gutenberg

To discharge the dough, the trough was tilted by means of a worm and worm wheel, the latter being secured to the trough.

From Project Gutenberg

If the polar axis is set vertical and the worm wheel unclamped, the instrument is transformed into an alt-azimuth mounting.

From Project Gutenberg

Motion from clock to polar axis is transmitted by means of a set of bevel gears and worm and worm wheel.

From Project Gutenberg