backhaul

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back·haul

 (băk′hôl′)
n.
1. Cargo or freight that is transported on the return trip of a journey.
2.
a. The transmission of video or audio signals in an unedited format directly to a network or studio, usually by satellite.
b. The material so transmitted.
3. The part of a telecommunications network that connects the main body of the network with smaller subnetworks.
tr.v. back·hauled, back·haul·ing, back·hauls
To transmit (traffic on a telecommunications network) from the main network to smaller subnetworks: employed a satellite link to backhaul cell phone traffic.

backhaul

(ˈbækˌhɔːl)
n
1. (Commerce) a return load of cargo; cargo which is carried by a vehicle on its return journey
2. the return trip made by a cargo vehicle after delivering its cargo
3. telecomm the concentration of data to a central site
vb (tr)
4. (Commerce) to haul (cargo) back over a route it has already travelled
5. telecomm to transmit data to a central site, often for later distribution