channel

[1]	direct , convey , pass , guide , lead , conduct
[2]	impart , transmit , carry
[3]	canalize , canalise
[4]	transmit , transfer , transport , channelize , channelise

[1]	watercourse , transmission channel , canal , waterway , ditch , aqueduct , sluice , trench , trough , gutter , moat , river-bed , stream-bed
[2]	strait , narrows , neck
[3]	furrow , groove , flute
[4]	course , means , way , approach , avenue , medium , path , artery , conduit
[5]	communication channel , line
[6]	duct , epithelial duct
[7]	television channel , TV channel
[8]	distribution channel