trapdoor
US /ˈtræp.dɔːr/
UK /ˈtræp.dɔːr/

1.
botola, sportello
a hinged or removable panel in a floor, ceiling, or roof, allowing access to a space below or above
:
•
He lifted the trapdoor and descended into the cellar.
Sollevò la botola e scese in cantina.
•
The stage had a hidden trapdoor for special effects.
Il palco aveva una botola nascosta per gli effetti speciali.