What is the meaning of Channel?

The physical confine of a river or slough, consisting of a bed and banks.

The natural or man-made deeper course through a reef, bar, bay, or any shallow body of water.

The navigable part of a river.

A narrow body of water between two land masses.

Something through which another thing passes; a means of conveying or transmitting.

An ion channel: pore-forming proteins located in a cell membrane that allow specific ions to pass through.

A gutter; a groove, as in a fluted column.

A structural member with a cross section shaped like a squared-off letter C.

A connection between initiating and terminating nodes of a circuit.

The narrow conducting portion of a MOSFET transistor.

The part that connects a data source to a data sink.

A path for conveying electrical or electromagnetic signals, usually distinguished from other parallel paths.

A single path provided by a transmission medium via physical separation, such as by multipair cable.

A single path provided by a transmission medium via spectral or protocol separation, such as by frequency or time-division multiplexing.

A specific radio frequency or band of frequencies, usually in conjunction with a predetermined letter, number, or codeword, and allocated by international agreement.

A specific radio frequency or band of frequencies used for transmitting television.

The portion of a storage medium, such as a track or a band, that is accessible to a given reading or writing station or head.

The part of a turbine pump where the pressure is built up.

A distribution channel.

A particular area for conversations on an IRC or similar network, analogous to a chat room and often dedicated to a specific topic.

A means of delivering up-to-date Internet content via a push mechanism.

A psychic or medium who temporarily takes on the personality of somebody else.

To make or cut a channel or groove in.

To direct or guide along a desired course.

To serve as a medium for.

To follow as a model, especially in a performance.

The wale of a sailing ship which projects beyond the gunwale and to which the shrouds attach via the chains. One of the 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.

Source: wiktionary.org