sperm oil
Noun
Meaning
an animal oil found in the blubber of the sperm whale
Source: WordNetSynonyms
Hypernyms
Examples
Cooled sperm oil congeals and must be squeezed back into liquid state; blubber is boiled in the try-pots on deck; the warm oil is decanted into casks, and then stowed in the ship.
The Pequod gams next with the Bachelor, a Nantucket ship heading home full of sperm oil.