Dall porpoise

noun \ˈdȯl-\
variants: or

Dall's porpoise

Definition of Dall porpoise

  1. :  a common porpoise (Phocoenoides dalli) of the coastal waters of western North America that reaches a length of six feet and is black above with much white on the sides and ventral surface

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Origin and Etymology of dall porpoise

after William H. Dall †1927 American naturalist

First Known Use: 1951

Seen and Heard

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a trip made at another's expense

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