elephant
n.— «Though more than a thousand discoveries are made in the U.S. yearly, “elephant fields”—those containing proven recoverable reserves of 100 million barrels of oil, one trillion cubic feet of gas, or the equivalant in mixed reserves—are rare. » —“Hottest U.S. Hydrocarbon Hunt Is In Western Rock Formation” Wall Street Journal Aug. 27, 1979. (source: Double-Tongued Dictionary)
Further reading
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...
Floordrobe is the new word for an old habit: piling your clothes on the floor instead of putting them away. The Oxford English Dictionary recently added an entry for it, defining floordrobe as “an untidy heap of discarded clothing left on the floor...