Meaning

A hinged or sliding door set into a floor or ceiling..

Definitions by Sense

1. A hinged or sliding door set into a floor or ceiling.
2. (theater) Such a trap set into the floor of a stage to allow fast exits and entrances.
3. (computing) A secret method of obtaining access to a program or online system; a backdoor.
4. (mathematics, cryptography) The special information that permits the inverse of a trapdoor function to be easily computed.
5. (mining) A door in a level for regulating the ventilating current; a weather door.
6. (cryptography, transitive) To subvert (a cryptographic scheme) by means of a secret parameter that makes the trapdoor function easy to compute.
7. (surgery, intransitive) To form a trapdoor deformity.

Word Forms

• trapdoors
• trap door
• trap-door
• trapdooring
• trapdoored

Synonyms for trapdoor

Related Words

When Should You Use Trapdoor?

Use trapdoor when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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