Reference meaning
pinion
Last updated
a gear with a small number of teeth designed to mesh with a larger wheel or rack
Other meanings
2. noun
any of the larger wing or tail feathers of a bird
3. noun
wing of a bird
4. verb
bind the arms of
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 03943115-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.