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.
... extent by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by ...