The Collaborative International Dictionary
Bottlehead \Bot"tle*head`\, n. (Zo["o]l.) A cetacean allied to the grampus; -- called also bottle-nosed whale.
Note: There are several species so named, as the pilot whales, of the genus Globicephalus, and one or more species of Hypero["o]don ( Hypero["o]don bidens, etc.), found on the European coast. See Blackfish, 1.
Wiktionary
n. A cetacean allied to the grampus.
Usage examples of "bottlehead".
I know, Ludlow may have half a dozen mistresses in keeping, but if you imagine he would bring some fancy-piece here you must be a bigger bottlehead than ever I guessed!
Lady Widmore, declaring that she was in stitches, said that any kidnapper who thought to wring a groat out of a family that had not a feather to fly with must be so bottleheaded that even such a goosecap as Hester would be able to escape from his clutches.