sperm oil

1. 1.

   an animal oil found in the blubber of the sperm whale

   Broaderanimal oil

Questions about sperm oil

What does sperm oil mean?

sperm oil means "an animal oil found in the blubber of the sperm whale".

Is sperm oil a common word?

sperm oil is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.