trapdoor

Meaning

Noun

1. A hinged or sliding door set into a floor or ceiling.
2. Such a trap set into the floor of a stage to allow fast exits and entrances.
3. A secret method of obtaining access to a program or online system; a backdoor.
4. The special information that permits the inverse of a trapdoor function to be easily computed.
5. A door in a level for regulating the ventilating current; a weather door.

Verb

1. (transitive) To subvert (a cryptographic scheme) by means of a secret parameter that makes the trapdoor function easy to compute.
2. (intransitive) To form a trapdoor deformity.

Synonyms

hatch

scuttle

shutter

Translations

Falltür

botola

trappe

trampa

🪤

valluik

trapa

luik

valdeur

alçapão

escotilla

escotillón

الباب

trampilla

Pronounced as (IPA)

/ˈtræpdɔː/

Etymology

From trap + door.