black_whale has definitions from the field of zoology
1
[ noun ] (zoology) small dark-colored whaled of United States Atlantic coast; the largest male acts as pilot or leader for the school

Related terms

dolphin Globicephala

2
[ noun ] (zoology) large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris

Related terms

toothed_whale Physeter

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