noun🔗Share키카드A usually plastic card which stores a digital signature that is used to operate an electronic access control lock."The office workers used their keycards to enter the building after hours. "사무실 직원들은 퇴근 후 건물에 들어가기 위해 키카드를 사용했다.technologyelectronicsbuildingdeviceitemChat with AIVocabulary GamePractice Reading
