I. noun
1.
passage through which a fluid (as water) flows or is led
the river cut a new channel to the sea
Synonyms: aqueduct, canal, conduit, course, duct, watercourse
Related Word: pass, passage, way
2.
Synonyms: mean 2, agency, agent, instrument, instrumentality, instrumentation, medium, ministry, organ, vehicle
3.
Synonyms: pipeline , conduit
II. verb
Synonyms: conduct 4, carry, convey, funnel, pipe, siphon, traject, transmit