Gear wheel
/ɡɪɚ ʍil/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A wheel with a toothed rim, intended to engage with others, or similar equipment, to form a gear.
"Holonym: gearset"
- 2 a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion wordnet
Etymology
From gear + wheel.