Meaning of ductwork

duct•work

Pronunciation: (dukt'wûrk"), [key]
— n.
  1. a system of ducts used for a particular purpose, as in a ventilation or heating system.
  2. the pipes, vents, etc., belonging to such a system.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.