Definition of megamouth in English:

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Pronunciation: /ˈmeɡəˌmouTH/
(also megamouth shark)


A shark with a very large wide mouth and tiny teeth, first captured in 1976 off the Hawaiian Islands.
  • Megachasma pelagios, the only member of the family Megachasmidae
Example sentences
  • The megamouth shark is characterized by a distinctive white band on the anterior surface of the snout.
  • The megamouth shark is one of the most mysterious and least understood of all the sharks.
  • The outermost surface of the megamouth's body is blackish brown, while its belly is noticeably white.
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