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]