CHANNEL

channel. 1. The bed of a stream of water; the groove through which a stream flows <digging

a deeper channel was thought to help protect the river from flooding>. main channel.The bed over which the principal volume of water flows; the deepest and most navigable part of a channel. natural channel.The naturally formed bed and banks of a stream. natural flood channel.A channel through which floodwaters naturally accumulate and flow downstream.

2. The line of deep water that shipping vessels follow <a shipping channel>.3. A water route between two islands or an island and a continent <the English Channel>.4. A mode of transmitting something <the news channel>. [Blacks Law 8th]