duckbill

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun primitive fish of the Mississippi valley having a long paddle-shaped snout
  2. noun small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
  3. adjective having a beak resembling that of a duck

Etymology

From duck + bill.

In classic literature

Synonyms

paddlefish, Polyodon spathula

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