上あげ板いた

noun

removable floorboard; trap door

Refers to a floorboard that can be lifted, often for access to a crawl space, storage, or a hidden area. Common in traditional Japanese architecture.

• 台だい所どころの上あげ板いたを上あげると、地ち下かの収しゅう納のうスペースがある。

  When you lift the removable floorboard in the kitchen, there is a storage space underneath.

• 古ふるい旅りょ館かんの廊ろう下かには、点てん検けん用ようの上あげ板いたがいくつかある。

  In the hallway of the old inn, there are several trap doors for inspection.