1. A cetacean (grampus griseus) related to and resembling the dolphins but lacking a beaklike snout.
2. any of various similar cetaceans, such as the killer whale.

1. the killer whale or orca
2. A type of gray dolphin-like creature, grampus griseus, with a blunt nose

1. 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.

1. A cetacean of the family Delphinidæ, subfamily Delphininæ, and genus Phocæna or orca, etc.; some large dolphin-like or porpoise-like cetacean, of predatory and carnivorous habits.
2. A cetacean of the family Delphinidæ and subfamily Globicephalinæ; a caaing- or pilot-whale; a blackfish or cowfish. in superficial characters it resembles the preceding, and grows to even larger size, but is timid and inoffensive. see cut under Globicephalus.
3. [capitalized] [nl.] A genus of grampuses, containing such as G. griseus. they are related to the caaing-whales (Globicephalus), and not specially to the pre-daceous grampuses (orca), have no teeth in the upper jaw and few in the lower, and 68 vertebræ). there are several species.
4. the dobson or hellgrammite: more fully called water-grampus.
5. A pursy, puffy fellow; an obese person.
6. the whip-tailed scorpion, Thelyphonus giganteus. also called mule-killer, and in the west indies vinaigrier, or vinegar-maker, from its acid secretion. LFlorida, U. S.]
7. the tongs with which the blooms are handled in a bloomery.

1. predatory black-and-white toothed whale with large dorsal fin; common in cold seas
2. slaty-grey blunt-nosed dolphin common in northern seas