英文字典中文字典51ZiDian.com

WordNet (r) 3.0 (2006) (WordNet)

backdoor
n 1: an undocumented way to get access to a computer system or
the data it contains [synonym: {back door}, {backdoor}]
2: an entrance at the rear of a building [synonym: {back door},
{backdoor}, {back entrance}]
3: a secret or underhand means of access (to a place or a
position); "he got his job through the back door" [synonym: {back
door}, {backdoor}]