globicephala melaena

English Thesaurus

1. small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school (noun.animal)

hypernym	:	dolphin,
definition	:	any of various small toothed whales with a beaklike snout; larger than porpoises (noun.animal)

member meronym	:	genus globicephala, globicephala,
definition	:	pilot whales (noun.animal)