Translation guide
A door in a floor, ceiling, or roof, often hidden or used for access. In Japanese, the term depends on the location and function.
Open the trap door to the underfloor storage.
An access panel or trap door in the floor for inspection, often in utility spaces.
Check the pipes through the floor trap door.
Literally 'drop door', a trap door that opens downward, often in traditional architecture or stage settings.
The actor appears from a trap door in the stage.
A door in a ceiling or roof for access to an attic, roof space, or maintenance area.
Standard term for a ceiling access hatch or trap door, used in homes and buildings.
Enter the attic through the ceiling trap door.
Specifically an access hatch to the space above the ceiling.
A roof access hatch, typically for maintenance on flat roofs.
Go out onto the roof through the roof trap door.
A concealed door in a floor or wall, often for dramatic entrances, escapes, or secret passages.
A hidden door, often used for secret rooms or passages; can refer to a trap door if in the floor.
Go down to the basement through a hidden trap door in the study.
A secret door, more generic; can be used for trap doors in fiction or games.
A secret trap door is hidden in the floor.
Loanword from English, used in gaming, theater, or technical contexts.
Find a trap door in the game.
Simply saying 'トラップドア' may not be understood in everyday conversation. Use context-specific terms like 床下収納庫 or 天井点検口 for common situations.
Open the trap door to the underfloor storage.
Japanese distinguishes clearly between floor access (床下) and ceiling access (天井). Use the appropriate compound word to avoid confusion.
Open the ceiling trap door to check the insulation.