Definition from macmillandictionary.com
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Let’s see what’s on the other channels.
He changed the channel to a news programme.
We can reach these markets through our existing distribution channels.
The government is using diplomatic channels to negotiate a ceasefire.
It is important to maintain clear channels of communication.
It could take weeks if you went through the proper channels.
irrigation channels that supply the crops with water
the channel in which the door slides
She was seeking a channel for her creative energies.