Channel

1. To course through or over, as in a channel.
2. A strait, or narrow sea, between two portions of lands; as, the British Channel.
3. The deeper part of a river, harbor, strait, etc., where the main current flows, or which affords the best and safest passage for vessels.
4. The hollow bed where a stream of water runs or may run.
5. To form a channel in; to cut or wear a channel or channels in; to groove.
6. That through which anything passes; means of passing, conveying, or transmitting; as, the news was conveyed to us by different channels.
7. A gutter; a groove, as in a fluted column.
8. Flat ledges of heavy plank bolted edgewise to the outside of a vessel, to increase the spread of the shrouds and carry them clear of the bulwarks.