'bandwidth' definitions:

Definition of 'bandwidth'

From: WordNet
noun
A data transmission rate; the maximum amount of information (bits/second) that can be transmitted along a channel

Definition of 'bandwidth'

From: GCIDE
  • bandwidth \band"width`\ n. The maximum rate of information transfer (measured in bits/second) that can be carried by a communication channel. "The bandwidth of an analog telephone line is less than 100 kilobits per second." [WordNet 1.5]