A data structure or software that contains (that is, “wraps around”) other data or software, so that the contained elements can exist in the newer system.
a piece of software that monitors an attempt to use a service, and based on the details about the source of the attempt (such as remote host and user, time, and connection type), determine whether to allow the use of the service or not
The term describing a data structure or software that wraps around other data or software, typically to provide a generic or object interface.