Definify.com
Webster 1913 Edition
Trapdoor
Trap′doorˊ
,Noun.
1.
(Arch.)
A lifting or sliding door covering an opening in a roof or floor.
2.
(Mining)
A door in a level for regulating the ventilating current; – called also
weather door
. Raymond.
Trapdoor spider
(Zool.)
, any one of several species of large spiders which make a nest consisting of a vertical hole in the earth, lined with a hinged lid, like a trapdoor. Most of the species belong to the genus
Cteniza
, as the California species (Cteniza Californica
).Definition 2024
trapdoor
trapdoor
See also: trap door
English
Alternative forms
Noun
trapdoor (plural trapdoors)
- A hinged or sliding door set into a floor or ceiling.
- (theater) Such a trap set into the floor of a stage to allow fast exits and entrances.
- (computing) A secret method of obtaining access to a program or online system; a backdoor.
- (mathematics, cryptography) The special information that permits the inverse of a trapdoor function to be easily computed.
- (mining) A door in a level for regulating the ventilating current; weather door.
- (Can we find and add a quotation of Raymond to this entry?)
Synonyms
Derived terms
Translations
door set into floor or ceiling
similar door on a stage
secret access to a program
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