Lagenorhyncus leucopleurus

from The Collaborative International Dictionary of English v.0.48

Bottle-nose \Bot"tle-nose`\ Bottle-nosed dolphin \Bot"tle-nosed`
dolphin\, n. (Zool.)
   1. A grey cetacean of the Dolphin family, of several species,
      as {Delphinus Tursio} and {Lagenorhyncus leucopleurus}, of
      Europe.

   Note: Also {Tursiops truncatus} -- a synonym?

   Syn: bottlenose dolphin.
        [1913 Webster +PJC]

   2. The puffin.
      [1913 Webster]

   3. a north Atlantic beaked whale with a bulbous forehead.

   Syn: bottle-nosed whale, bottlenose whale, Hyperoodon
        ampullatus.
        [WordNet 1.5]