ˈgrampəs, -aam-, -aim- noun
( -es )
Etymology: alteration of earlier graundepose, grampoys, alteration of Middle English grapay, graspey, from Middle French craspois, graspois, graspeis, from cras, gras fat (from Latin crassus ) + pois, peis fish, from Latin piscis — more at hurdle , fish
1.
a. : a cetacean ( Grampus griseus ) that is widely distributed in the seas of the northern hemisphere and that is related to the blackfish but has teeth in the lower jaw only
b. : any of various other cetaceans of similar size (as the blackfish or the killer whale)
2. : the giant whip scorpion ( Mastigoproctus giganteus ) of the southern United States that is popularly but unjustifiably reputed to be exceedingly venomous