channel · noun C /ˈtʃæn.əl/Full view
channel (TV)
A2 a television station
Dictionary examples:

a cable/terrestrial channel

a music/movie/news/shopping/sports channel

the news on Channel 4

She switched/turned to another channel to watch the football.

Learner example:

First of all, I enjoy watching news [o]n international channels like Aljazeera, CNN, Alhurra and BBC. (Preliminary English Test; B1; Arabic)

channel (COMMUNICATION)
C2 a way of communicating with people or getting something done
Dictionary examples:

a channel of communication

Please make your request through the proper channels.

channel · verb /ˈtʃæn.əl/
channel
C2 to use money or energy for a particular purpose
Dictionary example:

We've channelled all our resources into this project.

Learner example:

In the same way that it shouldn't take the place of more important matters, there shouldn't be so much money channelled into it, especially when we want to see it as sport rather than business, and when there are so many other much fairer ends for that money. (Certificate of Proficiency in English; C2; Catalan)

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