duct Synonyms

channel canal epithelial duct urethral tube tubing tubule tunnel tuyere vena ureter urethra vas trough pore salpinx sewer shaft shallot sluice smokestack tailrace tedge thill trachea trench vent ventilator vessel canalicular channelization pipes channels exhaust pipe parenteral pentode waterworks conduits vents raceway magnetron water bridge air duct airway gi klystron labial pipe ductule watercourse pipeline