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black whale, pilot whale, common blackfish, blackfish, Globicephala melaena | small dark-colored whale of the Atlantic coast of the United States; small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school ❲Globicephala melaena❳ | ||
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sperm whale, cachalot, black whale, Physeter catodon | large whale with a large cavity in the head containing spermaceti and oil; large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris ❲Physeter catodon❳ |