TRAPDOOR

Definition: TRAPDOOR

TRAPDOOR

Noun

1. A door in a level for regulating the ventilating current; -- called also weather door.

2. A lifting or sliding door covering an opening in a roof or floor.

Source: Webster's Revised Unabridged Dictionary (1913)

Date "TRAPDOOR" was first used in popular English literature: sometime before 1851. (references)

Specialty Definition: TRAPDOOR

Domain	Definition
Mining	A. A door in a mine passage to regulate or direct the ventilating current. Also called weather door. See also:trapb. See:air door. (references)
Source: compiled by the editor from various references; see credits.

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Synonyms within Context: TRAPDOOR

Context	Synonyms within Context (source: adapted from Roget's Thesaurus).
Deception	Snare, trap, pitfall, decoy, gin; springe, springle; noose, hoot; bait, decoy-duck, tub to the whale, baited trap, guet-a-pens; cobweb, net, meshes, toils, mouse trap, birdlime; dionaea, Venus's flytrap; ambush; trapdoor, sliding panel, false bottom; spring-net, spring net, spring gun, mask, masked battery; mine; flytrap; green goods; panel house.
Opening	Portal, porch, gate, ostiary, postern, wicket, trapdoor, hatch, door; arcade; cellarway, driveway, gateway, doorway, hatchway, gangway; lich gate.
Pitfall	Precipice; maelstrom, volcano; ambush; pitfall, trapdoor; trap; (snare).
Source: adapted from Roget's Thesaurus.

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Crosswords: TRAPDOOR

English words defined with "TRAPDOOR": Mygale ♦ Tetraneumona, Trap stairs, Trapdoor spider ♦ Weather door. (references)

Specialty definitions using "TRAPDOOR": continuous process machine operator ♦ DEVELOPER, AUTOMATIC ♦ film machine operator ♦ one-way function. (references)

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Commercial Usage: TRAPDOOR

Domain	Title
Books	A Gathering of Gardner: Time Travel and Other Mathematical Bewilderments/Penrose Tiles to Trapdoor Ciphers and the Return of Dr. Matrix/Knotted Doug (reference) Penrose Tiles to Trapdoor Ciphers (reference) The Trapdoor (reference) Trapdoor (reference) Trapdoor Spiders (Spider Discovery Library) (reference) (more book examples)
Source: compiled by the editor from various references; see credits.

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Image Slideshow: TRAPDOOR

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Usage Frequency: TRAPDOOR

"TRAPDOOR" is generally used as a noun (singular) -- approximately 100.00% of the time. "TRAPDOOR" is used about 66 times out of a sample of 100 million words spoken or written in English. Its rank is based on over 700,000 words used in the English language. Some parts-of-speech are not covered due to the samples used by the British National Corpus. (note: percents less than one-hundredth of one percent have been omitted)

Parts of Speech	Percent	Usage per 100 Million Words	Rank in English
Noun (singular)	100%	66	41,290

Source: compiled by the editor from several corpora; see credits.

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Expressions: TRAPDOOR

Expressions using "TRAPDOOR": Trapdoor spider ♦ trapdoor spiders. Additional references.
Source: compiled by the editor from various references; see credits.

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Frequency of Internet Keywords: TRAPDOOR

The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com.

Expression	Frequency per Day
trapdoor spider	38
the trapdoor	25
trapdoor springfield	25
snail trapdoor	11
rifle springfield trapdoor	10
japanese snail trapdoor	9
trapdoor rifle	5
1873 45 70 carbine springfield trapdoor	4
carbine trapdoor	3
45 70 trapdoor	3
care sheet spider trapdoor	3
arrow rest trapdoor	3
picture spider trapdoor	3
gallery spider trapdoor	3
rest trapdoor	2
african spider trapdoor	2
1873 springfield trapdoor	2
red spider trapdoor	2
Source: compiled by the editor from various references; see credits.

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Modern Translation: TRAPDOOR

Language		Translations for "TRAPDOOR"; alternative meanings/domain in parentheses.
Albanian		qepen (shutter). (various references)

Arabic		‏الباب المسحور. (various references)

Czech		poklop (cover, trap), padací dveře. (various references)

French		trappe (trap). (various references)

German		versenkung (absorption, immersion, lowering, scuttling, sinking, trap), klappe (back, can it, clack, clapperboard, flap, key, leaf, lid, patch, shutter, Sidegate, strap, swat, tab, tailgate, trap, valve). (various references)

Hungarian		szellőztető ajtó (trap-door), süllyesztő (drop, sink, trap-door, vampire, vampire-trap), kimászó ablak, csapóajtó (drop, scuttle, trap, trap door, trap-door). (various references)

Manx		cooylley hroggee, cooylley aer (air valve). (various references)

Pig Latin		apdoortray

Portuguese		alçapão (drop, noose, pitfall, scuttle, snare, trap). (various references)

Russian		люк (hatch, hatchway, luke, manhole, sunroof, trap door). (various references)

Serbo-Croatian		kapak (lid, shutter). (various references)

Spanish		trampa (booby trap, catch, cheat, cheating, deadfall, debt, decoy duck, graft, hatch, hocus pocus, mantrap, pit, pitfall, plant, snare, trap, trick, trickery, try on, wangle). (various references)

Swedish		fallucka (trap, trap-door), falldörr (trap). (various references)
Source: compiled by the editor from various translation references.

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Derivations & Misspellings: TRAPDOOR

Derivations
	Words beginning with "TRAPDOOR": trapdoors. (additional references)
Misspellings
	"TRAPDOOR" is suggested in spellcheckers for the following: trampdom, tripodoro. (additional references)
Source: compiled by the editor, based on several corpora (additional references).

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Anagrams: TRAPDOOR

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-d-o-o-p-r-r-t"
	-2 letters: orator, parrot, raptor, torpor.
	-3 letters: adopt, aport, ardor, droop, dropt, rotor, tardo, troop.
	-4 letters: apod, atop, dart, dato, doat, door, dopa, dorp, dorr, drat, drop, odor, orad, ordo, orra, pard, parr, part, pood, poor, port, prao, prat, proa, prod, rapt, rato, road, roar, rood, root, rota, roto, taro, tarp, toad, tora, toro, torr.
	Words containing the letters "a-d-o-o-p-r-r-t"
	+1 letter: arthropod, trapdoors.
	+2 letters: arthropods, prodromata, prorogated.
	+3 letters: arthropodan, petrodollar, predoctoral.
	+4 letters: carrottopped, incorporated, overoperated, petrodollars, waterproofed.
	+5 letters: cotransported, moderatorship, preordination, reapportioned, trapezohedron.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.