1) Banking term 2) Complect 3) Connect 4) Interconnect 5) Join 6) Link 7) Link up 8) To link together 9) Unite 1) Complect 2) Intercommunicate 3) Interconnect 4) Intertwine 5) Interweave 6) Tangle 
[interbank network] Interlink is the EFTPOS division of Visa, operating mainly in the United States. Contrary to a regular Visa check card purchase, an Interlink transaction is authenticated using a personal identification number and offers the possibility of obtaining cash back (purchase and withdrawal) from a merchant. ...
• (n.) An intermediate or connecting link. • (v. t.) To link together; to join, as one chain to another.
In`ter·link' transitive verb To link together; to join, as one chain to another. Dryden. 
to link, one with another.