(biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
(broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs; "the networks compete to broadcast important sports events"
(electronics) a system of interconnected electronic components or circuits
a system of intersecting lines or channels; "a railroad network"; "a network of canals"
an interconnected system of things or people; "he owned a network of shops"; "retirement meant dropping out of a whole network of people who had been part of my life"; "tangled in a web of cloth"
communicate with and within a group; "You have to network if you want to get a good job"