Bottlehead
Bottlehead ({not transcribed}) , noun
(Zoology) A cetacean allied to the grampus; -- called also bottle-nosed whale<-- bottle-nosed dolphin? -->.
There are several species so named, as the pilot whales, of the genus Globicephalus, and one or more species of Hyperoodon (Hyperoodon bidens, etc.), found on the European coast. See Blackfish, 1.