Synonyms for channel

noun

1. A passageway for liquid

   conduit, tube, canal, duct, course, carrier, gutter, furrow, trough, tunnel, tideway, strait, neck, sound, race, raceway, watercourse, waterway, sluice, sluiceway, sewer, main, artery, vein, runway, ditch, trench, moat, aqueduct, canyon, cesspipe, pipe; see also way 2.

   Antonyms ridge*, crest, dam.

2. The deeper portion of a river

   current, marked channel, buoyed channel, dredged channel, body of the river, flood, deep water; see also flow, water 2.

3. A groove

   gouge, gutter, slit; see sense 1, groove.

verb