channel
n. countablen. a specific path or way that something moves through. You use this to talk about television stations, paths for water, or ways to communicate with people.
n. a medium or route through which information, goods, or liquids are directed or conveyed. Often used to describe specific frequency bands in broadcasting or physical passages for water.
I changed the channel to watch the news.
The company is opening a new sales channel to reach customers who prefer shopping on their mobile phones.
Diplomats established a private channel of communication to discuss the treaty details away from the scrutiny of the international press.
From being a channel.
Named after the Channel Islands, from where settlers once came from, in the early 18th-century. The Channel Islands are located in the English Channel, a strait (channel) separating the island of Great Britain from the coast of mainland Europe.
Often used with the preposition 'for' or 'of' when describing communication routes.