elephant door
n.— «Although the Civic Center has what the entertainment industry calls an “elephant door”—an extremely large opening that would be big enough to accommodate elephants from the days of circuses—the ride was just a few inches too tall.» —“Facing one crisis at a time” by Genevieve Diesing Journal Star (Peoria, Illinois) July 22, 2007. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Sara in Madison, Wisconsin, was reading an old edition of The Joy of Cooking and came across a recipe that described a cake’s ingredients as earrings for an elephant. She couldn’t discern whether the authors meant that was a good thing...