trapdoor (plural trapdoors)
A hinged or sliding door set into a floor or ceiling.
(theater) Such a trap set into the floor of a stage to allow fast exits and entrances.
(computing) A secret method of obtaining access to a program or online system; a backdoor.
(mathematics, cryptography) The special information that permits the inverse of a trapdoor function to be easily computed.
(mining) A door in a level for regulating the ventilating current; weather door.
• drop
Source: Wiktionary
Trap"door`, n.
1. (Arch.)
Definition: A lifting or sliding door covering an opening in a roof or floor.
2. (Mining)
Definition: A door in a level for regulating the ventilating current; -- called also weather door. Raymond. Trapdoor spider (Zoöl.), any one of several species of large spiders which make a nest consisting of a vertical hole in the earth, lined with a hinged lid, like a trapdoor. Most of the species belong to the genus Cteniza, as the California species (C. Californica).
Source: Webster’s Unabridged Dictionary 1913 Edition
3 May 2025
(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
