Amazon river dolphin

noun
variants: less commonly

Amazon dolphin

Definition of Amazon river dolphin

  1. :  boto Amazon river dolphins, or botos, have a curious habit: occasionally one will grab some river grass or a rock in its mouth and pop its head above the surface, showing its prize for all to see. — Henry Fountain, New York Times, 1 Apr. 2008 At up to 450 pounds and eight feet in length, the Amazon dolphin, or boto, is the largest of the four known species of river dolphin. — Mark Jenkins, National Geographic, June 2009

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1925

First Known Use of amazon river dolphin

1925


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