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A trapdoor is a sliding or hinged door, flush with the surface of a floor, roof, or ceiling, or in the stage of a theatre. [1]

21 relations: Amfleet, Amtrak, Bombardier Transportation, Bulk carrier, Cargo ship, Comet (railcar), Deck (ship), Elevator, Gallows, Hold (ship), Horizon (railcar), Jinn, Passenger car (rail), Railway platform height, Roof, Secret passage, Ship, Trap, Trapdoor spider, Tunnel, Viewliner.


Amfleet is a fleet of single-level intercity railroad passenger cars built by the Budd Company for Amtrak in the late 1970s and early 1980s.

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The National Railroad Passenger Corporation, doing business as Amtrak, is a partially government-funded American passenger railroad service.

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Bombardier Transportation

Bombardier Transportation is the rail equipment division of the Canadian firm Bombardier Inc. Bombardier Transportation is one of the world's largest companies in the rail vehicle and equipment manufacturing and servicing industry.

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Bulk carrier

A bulk carrier, bulk freighter, or bulker is a merchant ship specially designed to transport unpackaged bulk cargo, such as grains, coal, ore, and cement in its cargo holds.

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Cargo ship

A cargo ship or freighter is any sort of ship or vessel that carries cargo, goods, and materials from one port to another.

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Comet (railcar)

The Comet railcar is a class of locomotive-hauled railcars that was first designed in the late 1960s by Pullman-Standard as a modern commuter car for North American rail lines.

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Deck (ship)

A deck is a permanent covering over a compartment or a hull of a ship.

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An elevator (lift in British English) is a type of vertical transport equipment that moves people or goods between floors (levels, decks) of a building, vessel, or other structure.

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A gallows (or scaffold) is a frame, typically wooden, used for execution by hanging, or as a means of torture before execution, as was used when being hanged, drawn and quartered.

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Hold (ship)

View of the hold of a container ship A ship's hold is a space for carrying cargo.

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Horizon (railcar)

The Horizon is a single-level model of rail car used by Amtrak, primarily on short-haul corridor routes in the Midwestern United States.

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Jinn (الجن), also romanized as djinn or anglicized as genies, are supernatural creatures in early Arabian and later Islamic mythology and theology.

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Passenger car (rail)

A passenger car (known as a coach or carriage in the UK, and also known as a bogie in India) is a piece of railway rolling stock that is designed to carry passengers.

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Railway platform height

On a railway, the platform height refers to the height of a railway platform Above Top of Rail (ATR).

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A roof is part of a building envelope.

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Secret passage

Secret passages, also commonly referred to as hidden passages or secret tunnels, are hidden routes used for stealthy travel.

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A ship is a large buoyant watercraft.

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Trap or Traps may refer to.

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Trapdoor spider

Trapdoor spiders (superfamily Ctenizoidea, family Ctenizidae) are medium-sized mygalomorph spiders that construct burrows with a cork-like trapdoor made of soil, vegetation and silk.

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A tunnel is an underground or underwater passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end.

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The Viewliner is a single-level car type used by Amtrak on most long-distance routes operating east of Chicago.

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[1] https://en.wikipedia.org/wiki/Trapdoor

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