Gre \Gre\, n. See {Gree}, a step. [Obs.] [1913 Webster]
Gre \Gre\, n. See {Gree}, good will. [Obs.] [1913 Webster]
Generic Routing Encapsulation GRE <networking, protocol> (GRE) A {protocol} which allows an arbitrary network protocol A to be transmitted over any other arbitrary network protocol B, by encapsulating the {packets} of A within GRE packets, which in turn are contained within packets of B. Defined in {RFC 1701} and {RFC 1702} (GRE over IP). (1998-07-19)
GRE Generic Routing Encapsulation (RFC 1701, VPN)