Pinion (Noun)
Meaning 2
Any of the larger wing or tail feathers of a bird.
Classification
Nouns denoting animals.
Synonyms
Hypernyms
Hyponyms
Related Words
Meaning 3
A gear with a small number of teeth designed to mesh with a larger wheel or rack.
Classification
Nouns denoting man-made objects.
Examples
- The machine's gearbox relied on a small pinion to drive the larger wheel and transmit power to the rest of the system.
- A damaged pinion can cause the entire gear assembly to fail.
- The clock's mechanism used a delicate pinion to turn the hour hand around the dial.
- In the engine, a small pinion was used to engage the wheels and propel the vehicle forward.
- A tooth on the pinion had broken off, so it wouldn't mesh properly with the corresponding wheel.