pinna

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun division of a usually pinnately divided leaf
  2. noun the externally visible cartilaginous structure of the external ear

Etymology

From Latin pinna (“dorsal fin; wing, feather”). Doublet of pen, penna, and panne.

In classic literature

Synonyms

pinnule

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