鲸油
Sperm \Sperm\, n.[Contr. fr. spermaceti.] Spermaceti. {Sperm oil}, a fatty oil found as a liquid, with spermaceti, in the head cavities of the sperm whale. {Sperm whale}. (Zo["o]l.) See in the Vocabulary.
sperm oil n : an animal oil found in the blubber of the sperm whale