The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A large pot used to remove and render the oil from blubber obtained from cetaceans (such as whales and dolphins), from pinnipeds (such as walruses and seals), and (historically, to a lesser extent) from penguins. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.