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