1. (n.) The hollow bed where a stream of water runs or may run.

2. (n.) The deeper part of a river, harbor, strait, etc., where the main current flows, or which affords the best and safest passage for vessels.

3. (n.) A strait, or narrow sea, between two portions of lands; as, the British Channel.

4. (n.) That through which anything passes; means of passing, conveying, or transmitting; as, the news was conveyed to us by different channels.

5. (n.) A gutter; a groove, as in a fluted column.

6. (n.) 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.

7. (v. t.) To form a channel in; to cut or wear a channel or channels in; to groove.

8. (v. t.) To course through or over, as in a channel.

EDP access adolescent stream adviser aisle alley amateur band ambulatory announcer annunciator aperture approach approaches aqueduct arcade arroyo artery authority avenue band basin beck bed bit blowhole bottleneck bottom bourn braided stream branch brook brooklet burn canal canalization canalize carry carve chamfer channelize chisel chute citizens band cloister colonnade communicant communication communication explosion communication theory communicator conduct conduit connection convey corridor corrugate coulee course covered way crack creek crick crimp cut dado data retrieval data storage debouch decoding defile dike direct ditch door duct egress electronic data processing emunctory encoding engrave enlightener entrenchment entropy escape estuary exhaust exit expert witness fairway ferry floodgate floor flowing stream flume flute fluviation ford fosse frequency band fresh freshet funnel furrow gallery gash gill goffer gossipmonger gouge grapevine groove ground guide gully gutter ha-ha incise informant information center information explosion information medium information theory informer inlet interchange intersection interviewee isthmus junction kennel kill lane lazy stream lead loophole meandering stream means medium midchannel midstream millstream moat monitor mouthpiece moving road narrow narrows navigable river neck newsmonger noise notifier ocean bottom opening out outcome outfall outgate outgo outlet overpass pass passage passageway path pipe pipeline pleat plow police band pore port portico press public relations officer publisher put through put through channels rabbet race racing stream radio radio channel railroad tunnel redundancy reporter rifle river rivulet road run rundle runlet runnel rut sally port score scratch sea lane seaway ship route shortwave band signal sike siphon slit sluice source spill stream spiracle spokesman spout standard band steamer track strait streak stream stream action streamlet striate subterranean river sunk fence tap television teller throat tipster tout traject trajet transmit trench trough tube tunnel underpass vent ventage venthole vomitory wadi watercourse waterway way way out weir witness wrinkle