duckbill

plural duckbills · alternative duck-bill

1. informalThe duck-billed platypus.
2. informalA hadrosaur.
3. A fish of the family Percophidae
   1. Percophis brasiliensis (Brazilian flathead).
4. Bull ray (Aetomylaeus bovinus, now Pteromylaeus bovinus).
5. firefightingA device used to force padlocks.
6. A check valve with two or more flaps, usually shaped like a duck's beak, commonly used in medical applications to prevent contamination due to backflow.
7. A kind of surgical mask with a trapezoid pouch-like design with shortened or absent side edges.
8. A modern and more streamlined and tighter fitting version of a flat cap.
9. USSynonym of American paddlefish.

   Synonyms: American paddlefish