INTERCONNECTION

n. mutual connection, reciprocal connection between two or more things

In telecommunications, interconnection is the physical linking of a carrier's network with equipment or facilities not belonging to that network. The term may refer to a connection between a carrier's facilities and the equipment belonging to its customer, or to a connection between two (or more) carriers.
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Noun
1. a state of being connected reciprocally; "an interconnection between the two buildings"
(synonym) interconnectedness
(hypernym) connection, link, connectedness
(derivation) complect, interconnect, interlink
2. (computer science) the act of interconnecting (wires or computers or theories etc.)
(hypernym) joining, connection, connexion
(derivation) interconnect, interlink
(classification) computer, computing machine, computing device, data processor, electronic computer, information processing system

n. interconnection, mutual connection, reciprocal connection between two or more things

(n.)
Connection between; mutual connection.