鯨げい脂し

noun

whale blubber

Refers specifically to the thick layer of fat under a whale's skin, used historically for oil and food.

• 鯨げい脂しはかつて灯とう油ゆや石せっ鹸けんの原げん料りょうとして使つかわれた。

  Whale blubber was once used as a raw material for lamp oil and soap.