gram·pus 
(grămpəs)
(grămpəs)n.
1. See Risso's dolphin.
2. Any of various dolphins or other toothed whales, such as the orca.
[Alteration (perhaps influenced by GRAND) of Middle English graspeis, from Old French craspois, graspeis, from Medieval Latin crassus piscis, craspiscis : Latin crassus, fat + Latin piscis, fish.]
- obstetrically
- obstetrician
- obstetrics
- obstinacy
- obstinate
- obstinately
- obstinateness
- obstipation
- obstreperous
- obstreperously
- obstreperousness
- obstruct
- obstructer
- obstruction
- obstructionism
- obstructionist
- obstructionistic
- obstruction of justice
- obstructive
- obstructively
- obstructiveness
- obstructor
- obstruent
- obtain
- obtainable