Definitions
1.NounThe duck-billed platypus.
2.NounA hadrosaur.
3.NounA fish of the family Percophidae
Percophis brasiliensis (Brazilian flathead).
4.NounPercophis brasiliensis (Brazilian flathead).
5.NounBull ray (Aetomylaeus bovinus, now Pteromylaeus bovinus).
6.NounA device used to force padlocks.
7.NounA 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.
8.NounA kind of surgical mask with a trapezoid pouch-like design with shortened or absent side edges.
9.NounA modern and more streamlined and tighter fitting version of a flat cap.
10.NounSynonym of American paddlefish.