pinion

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a gear with a small number of teeth designed to mesh with a larger wheel or rack
  2. noun any of the larger wing or tail feathers of a bird
  3. noun wing of a bird

Etymology

From Middle English pynyon, from Old French pignon, from Latin penna (“feather”).

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