Grampus \Gram"pus\, n.; pl. Grampuses. [Probably corrupted from It. gran pesce great fish, or Sp. gran pez, or Pg. gran peixe, all fr. L. grandis piscis. See Grand, and Fish. the animal.]

1. (Zo["o]l.) A toothed delphinoid cetacean, of the genus Grampus, esp. G. griseus of Europe and America, which is valued for its oil. It grows to be fifteen to twenty feet long; its color is gray with white streaks. Called also cowfish. The California grampus is G. Stearnsii.

2. A kind of tongs used in a bloomery. [U.S.]

Source: Webster's Revised Unabridged Dictionary (1913)