grampus

He continues: “Water dog, grampus, grumpus, mollyhugger, horny head, devil dog.”

From Washington Times ● Dec. 2, 2018

It h a menacing or amorous puff, similar to the grampus.

From "The Once and Future King" by T. H. White

Just what they wanted help for now that the grampus was gone, was a question quite beside the situation.

From The Corner House Girls on Palm Island by Thelma Gooch

From a distance they may resemble the Atlantic bottlenosed dolphins, though grampus have taller dorsal fins, blunted beakless heads, and lighter coloration.

From Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification by David Caldwell

Pods of females and immature animals, however, may be confused with false killer whales or with grampus.

From Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification by David Caldwell

Panting like grampuses, mopping their red faces, Sir Colin & posse then went back to their pews.

From Time Magazine Archive

He saw the black fins of the grampuses cutting the water, and thought that they were sharks.

From Love's Pilgrimage by Upton Sinclair

Listen to me, darlint, and don't mind them stupid grampuses.

From The World of Ice by R. M. (Robert Michael) Ballantyne

An occasional whale is seen blowing in the distance, and many grampuses come rolling about the ship,—most inelegant brutes, some three or four times the size of a porpoise.

From A Boy's Voyage Round the World by Samuel Smiles

Crouched on a small projection near the water's edge was a seal, trying to evade the eyes of a dozen large grampuses which were playing about near our stern.

From The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 by Sir Douglas Mawson