noun (plural grampuses)
1.1 another term for Risso's dolphin.
1.2 another term for killer whale.
early 16th century: alteration (by association with grand 'big') of Old French grapois, from medieval Latin craspiscis, from Latin crassus piscis 'fat fish'.
More definitions of grampusDefinition of grampus in:
- The US English dictionary