dunter

Porpoises, it is true, and "dunters" may be seen gambolling along the coast of Durham, but even that royal fish, the sturgeon, often caught in the last century, as the files of the Newcastle Courant prove, is a rarity on the coast.

"Here an old woman, thinking to help her pastor out of a dead lift, cried out, 'Aiblins, Sir, it was a dunter.' (The vulgar name of a species of whale common to the Scotch coast.)