The word is in the Wiktionary

12 short excerpts of Wiktionnary (A collaborative project to produce a free-content dictionary.)

— English words —

• trapdoor n. A hinged or sliding door set into a floor or ceiling.
• trapdoor n. (Theater) Such a trap set into the floor of a stage to allow fast exits and entrances.
• trapdoor n. (Computing) A secret method of obtaining access to a program or online system; a backdoor.
• trapdoor n. (Mathematics, cryptography) The special information that permits the inverse of a trapdoor function…
• trapdoor n. (Mining) A door in a level for regulating the ventilating current; a weather door.
• trap␣door n. Alternative form of trapdoor.

— English word, defined in German —

• trapdoor S. Falltür.

— English words, defined in French —

• trapdoor n. Trappe.
• trap␣door n. Trappe.

— In Dutch —

• trap␣door w. Eerste persoon enkelvoud tegenwoordige tijd van doortrappen.
• trap␣door w. Gebiedende wijs van doortrappen.
• trap␣door w. (Bij inversie) tweede persoon enkelvoud tegenwoordige tijd van doortrappen.

48 English words from 6 English definitions

access allow Alternative and backdoor ceiling Computing cryptography current door entrances exits fast floor for form function hinged information into inverse level Mathematics method Mining obtaining of␣a online permits program regulating secret set sliding sliding␣door special stage Such system that the Theater trap trapdoor trapdoor␣function trap␣set ventilating weather

2 English words from 6 foreign definitions

Trappe van

15 foreign words from 6 foreign definitions

Bij doortrappen Eerste Eerste␣persoon enkelvoud Falltür Gebiedende Gebiedende␣wijs inversie persoon tegenwoordige␣tijd tijd tweede tweede␣persoon wijs

6 suffixes (New words found by adding one or more letters at the end of the word.)

trapdoors trap␣doors trapdoor␣spider trapdoor␣spiders trapdoor␣function trapdoor␣functions

2 times in the middle (New words found by adding letters in front and at the end of the word.)

wafer␣trapdoor␣spider wafer␣trapdoor␣spiders

12 words-in-word (Words found as is inside the word. Minimum size 3 letters.)

APD doo DOO door PDO rap Rap RAP tra TRA trap TRAP

17 words-in-word RTL (Words found written from right to left, inside the word. Minimum size 3 letters.)

art Art ART 'art art. DPA ODP OOD par Par PAR part part. roo 'roo rood Rood

3 anagrams found with an extra letter (New words formed with all the letters from the word and an extra letter.)

arthropod trapdoors trap␣doors

2 anagrams found minus a letter (New words formed with all the letters from the word minus a letter.)

adoptor rotarod

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