grampus

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gram·pus / ˈgrampəs/ • n. (pl. -pus·es) a cetacean of the dolphin family, in particular: ∎ another term for Risso's dolphin. ∎ another term for orca.

grampus

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grampus name for several delphinoid cetaceans. XVI. Earliest forms graundepose, grampoys, alt. (by assim. to GRAND) of †gra(s)peys (XIV) — OF. grapois, graspeis, also craspois :- medL. craspiscis, f. L. crassus fat, CRASS, piscis FISH.