duct

duct

noun

Definition of DUCT

a long hollow cylinder for carrying a substance (as a liquid or gas) <air ducts to provide ventilation>

Synonyms channel, conduit, duct, leader, line, penstock, trough, tube

Related Words drain, drainpipe, funnel, hydrant, main, smokestack, spout, standpipe, stovepipe, tile, waste pipe, waterspout; pipage (or pipeage), pipeline, piping