trapdoor C2 Topic:House & Home US /ˈtræpˌdɔr/ UK /ˈtræpˌdɔː/ See IPA manual Freq #29230 Meanings 1 noun a hinged or sliding door set into a floor, ceiling, or stage The censor was imagined as standing beside a trapdoor between conscious and unconscious thought. 2 noun a hidden means of access to a computer system, or secret information that makes a hard computation easy The audit searched the program for an undocumented trapdoor. Thesaurus Synonyms 1 noun · a hinged or sliding door... hatchfloor door 2 noun · a hidden means of access to... backdoorsecret access Word family Derived forms trapdoor functiontrapdoor spider Related forms doorhatchbackdoor Etymology A compound of trap + door. The literal door can drop or conceal an opening; computing and cryptography extended that hidden-access idea to secret mechanisms in systems and functions. Topics House & Home External links Cambridge Dictionary Wiktionary Google Images # trapdoor **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /ˈtræpˌdɔr/ **IPA (UK):** /ˈtræpˌdɔː/ **Frequency rank:** 29230 ## Meanings 1. a hinged or sliding door set into a floor, ceiling, or stage 2. a hidden means of access to a computer system, or secret information that makes a hard computation easy ## Examples - The censor was imagined as standing beside a trapdoor between conscious and unconscious thought. - The audit searched the program for an undocumented trapdoor. ## Synonyms - hatch - backdoor - secret access ## Derived Forms - trapdoor function - trapdoor spider ## Related Forms - door - hatch - backdoor ## Etymology A compound of trap + door. The literal door can drop or conceal an opening; computing and cryptography extended that hidden-access idea to secret mechanisms in systems and functions. ## Topics - House & Home markdown