trap-door

A maintenance worker opens a trap-door in the floor to access the pipes below.

Definition

1. Noun:
   • A hinged or sliding door in a floor, ceiling, or roof: A "trap-door" is a door that is set flush into a surface (such as a floor or ceiling) and is opened by lifting, sliding, or pulling, often to provide access to a space below or above, such as a cellar or attic.
   • A concealed or secret entrance: The term can also refer to any hidden or camouflaged opening used for escape or surprise, as in a stage or a secret passage.

Usage Examples

• Noun:
  • The magician disappeared through a trap-door in the stage floor. (A hinged door in the floor used for a dramatic effect.)
  • We lifted the trap-door to access the basement storage area. (A sliding or hinged door providing entry to a lower level.)
  • The old house had a trap-door in the ceiling that led to a hidden attic. (A door in the ceiling for access to a concealed space.)

Advanced Usage

• "Spring a trap-door": To open a trap-door suddenly, often as part of a theatrical trick or escape.

  • The actor sprang the trap-door and vanished from view. (He opened the door quickly to make a quick exit.)

• "Trap-door spider": A type of spider that builds a burrow with a hinged lid made of silk and soil.

  • The trap-door spider waits under its camouflaged lid to ambush prey. (A spider using a door-like structure for hunting.)

Variants and Related Words

• Trapdoor (n): The alternative spelling without a hyphen, meaning the same thing: a door in a floor or ceiling.

  • The trapdoor creaked as we opened it. (The door in the floor made a noise.)

• Trap-door (adj): Used as an adjective to describe something resembling or involving a trap-door.

  • The trap-door mechanism was cleverly hidden. (The device for opening the door was concealed.)

Synonyms

• Hatch: A door or opening in a floor, deck, or ceiling, often for access.

  • The ship's hatch was secured with a heavy lock. (A door-like opening similar to a trap-door.)

• Scuttle: A small opening or hatch in a roof or floor, often used for access.

  • The scuttle in the attic provided ventilation. (A small trap-door-like opening.)

• Drop-door: A door that falls or slides downward to open, similar in function.

  • The drop-door led to a secret room. (A door that drops open.)

Phrasal Verbs

• Trap-door out: To escape or exit through a trap-door.

  • The prisoner trap-doored out of the dungeon. (He escaped via the trap-door.)

• Trap-door in: To enter through a trap-door.

  • The spy trap-doored in through the roof. (He entered via the trap-door.)

Related Idioms

• "Fall through a trap-door": To suddenly disappear or be removed from a situation, often unexpectedly.

  • His career fell through a trap-door after the scandal. (His career ended abruptly and unexpectedly.)

• "Open a trap-door": To reveal a hidden opportunity or secret.

  • The new evidence opened a trap-door in the case. (It revealed a hidden aspect of the situation.)