duct Synonyms

canal channel tube conduit tubing raceway flue vent epithelial duct vessel trough pipe passage smokestack urethral vas vena trench sluice shute ventilator shallot urethra ureter trachea trunk thill tedge tailrace tubule tunnel tuyere water bridge waterway channels ductwork exhaust pipe parenteral pib pentode waterworks trunkline conduits vents pipes channelization canalicular air duct airway gi