worm and wheel

Noun

Meaning

worm and wheel (plural worms and wheels)

A gear arrangement consisting of a screw (the worm) whose thread meshes with a gear wheel in such a way as to turn the direction of drive through a right angle.

Source: en.wiktionary.org

Synonyms

worm drive

Close letter words and terms

Worley Worlingham worm worm burner worm cast worm castle