noun🔗ShareA hinged or sliding door set into a floor or ceiling."The mischievous cat chased a toy mouse under the trapdoor in the playroom floor. "architecturebuildingstructureChat with AIVocabulary GamePractice Reading
noun🔗ShareSuch a trap set into the floor of a stage to allow fast exits and entrances."The magician vanished quickly through the trapdoor in the stage floor, leaving the audience amazed. "entertainmentstagebuildingarchitectureChat with AIVocabulary GamePractice Reading
noun🔗ShareA secret method of obtaining access to a program or online system; a backdoor."The disgruntled programmer inserted a trapdoor into the company's software, allowing him unauthorized access to customer data after he left his job. "technologycomputinginternetChat with AIVocabulary GamePractice Reading
noun🔗ShareThe special information that permits the inverse of a trapdoor function to be easily computed."The programmer used a clever trapdoor in the encryption, allowing him to easily decrypt his files if he ever forgot the password. "computingtechnologymathlogicfunctionChat with AIVocabulary GamePractice Reading
noun🔗ShareA door in a level for regulating the ventilating current; weather door."The maintenance worker opened the trapdoor in the floor to adjust the airflow in the building's ventilation system. "architecturebuildingpartChat with AIVocabulary GamePractice Reading
