The network card on a computer is sometimes casually called network interface.
The point of interconnection between the public switched network[?] and a privately owned terminal. In the USA, Code of Federal Regulations, Title 47, part 68, stipulates the interface parameters.
The point of interconnection between one network and another network.
... also sent agents to France.
Because US and British governments did not always agree with him, Charles De Gaulle organized his own intelligence organization Bureau ...