trapdoor

About 0.24 uses per million words.

Meaning

1. noun A hinged or sliding door set into a floor or ceiling.
2. noun Such a trap set into the floor of a stage to allow fast exits and entrances.
3. noun A secret method of obtaining access to a program or online system; a backdoor.
4. noun The special information that permits the inverse of a trapdoor function to be easily computed.
5. noun A door in a level for regulating the ventilating current; a weather door.
6. noun A folding bolt in a rifle that flips up and forward to allow the cartridge to be loaded in the breech.
7. verb To subvert (a cryptographic scheme) by means of a secret parameter that makes the trapdoor function easy to compute.
8. verb To form a trapdoor deformity.

Similar words

hatch door gate passageway chute wayside trap trapping trapped drop

Often followed by

in and to was that spiders of spider into

Word family

trapdoors