trapdoor

She knows the location of the hidden trapdoor that leads to the rafters of the arch above the nave.

That relegation trapdoor might be creaking open for Carlisle...

Reading need them to keep the trapdoor to League Two firmly shut.

At the center of Messier 87, a giant galaxy 55 million light-years from Earth, is a darkness 24 billion miles across and as massive as 6.5 billion suns — a trapdoor to infinity called a black hole.

“We didn’t know there was this trapdoor you can fall through this far into the process.”