ratchet wheel

English

ratchet wheel (1) with pawl (2)

Noun

ratchet wheel (plural ratchet wheels)

1. A toothed wheel either held in position or turned by an engaging detent or pawl.

   Synonyms: dog wheel, ratch

2. The retaining wheel over the mainspring arbor of a timepiece.

Translations

toothed wheel

• German: Rastrad n, Sperrrad (de) n