black whale noun6 •Any whale of three species. •a sperm whale (Physeter catodon, syn. Physeter macrocephalus (family Physeteridae)) •a right whale or northern right whale (family Balaenidae) •North Atlantic right whale (Eubalaena glacialis) •North Pacific right whale (Eubalaena japonica) •Any cetacean blackfish. formsblack whales
