worm wheel

noun

1. worm gear.

Other Word Forms

• worm-wheel adjective

Word History and Origins

Origin of worm wheel¹

First recorded in 1670–80

Example Sentences

In this case the form of the teeth upon the worm wheel varies at every point in its length as the line of centres is departed from.

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A worm wheel and two eccentrics are machined up out of one piece and serve to operate the plungers.

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

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The centre boss is keyed to the spindle, which passes through the deck and carries at its lower end a coupling for connecting to the worm wheel gear.

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The polar axis is fitted with worm wheel and worm for slow motion.

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