Definition of "forwarding"

A third oil company, Gulf, is soon to join Esso and BP in rail forwardings from this port.

1964 November, “News: Upward trend in South Wales”, in Modern Railways, page 349

You might think that the GatewayPorts feature discussed in the last section applies equally well to remote port forwardings. This would make sense as a feature, but as it happens, it isn't done.

2005, Daniel J. Barrett, Richard E. Silverman, Robert G. Byrnes, SSH, The Secure Shell: The Definitive Guide