| a black, dolphinlike whale, Globicephala melaena, of the North Atlantic. |
| black whale | |
noun | |
| 1. | small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school [syn: pilot whale] |
| 2. | large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris [syn: sperm whale] |