| 1. | any of several gray, black, and white songbirds of the genus Mimus, esp. M. polyglottos, of the U.S. and Mexico, noted for their ability to mimic the songs of other birds. |
| 2. | any of various related or similar birds, as Melanotis caerulescens (blue mockingbird), of Mexico. |
mockingbird
Software that intercepts communications (especially login transactions) between users and hosts and provides system-like responses to the users while saving their responses (especially account IDs and passwords). A special case of Trojan horse.
[The Jargon File]