Definition of Risso's dolphin in English:

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Risso's dolphin

Pronunciation: /ˈrɪsəʊz/


A grey dolphin which has a rounded snout with no beak, and long black flippers, living mainly in temperate seas. Also called grampus.
  • Grampus griseus, family Delphinidae.
Example sentences
  • The area is home to bottlenose dolphins, Risso's dolphins and false killer whales, Ting said, adding, ‘sometimes rare sperm whales and humpback whales are also seen.’
  • Another large grey species, the Risso's dolphin, is seen occasionally off the Welsh coast and more commonly off Scotland.
  • And a Risso's dolphin, a stout-bodied species without a pronounced beak, is regularly sighted off the Welsh coast.


Late 19th century: named after Giovanni A. Risso (1777–1845), Italian naturalist.

For editors and proofreaders

Line breaks: Risso's dol|phin

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