Trap-door

Full definition of trap-door

Noun

• 1892, Henry Herman Chilton, Woman Unsexed Chapter Romeo and Juliet, A bell tinkles, and forthwith the trap-doors beneath the stage open and a variety of musical instruments, followed by an equally diversified assortment of heads, are thrust through.
• Baum Wizard of Oz|page=12|passage=It was reached by a trap-door in the middle of the floor, from which a ladder led down into the small, dark hole.