Meaning of exhaust manifold

exhaust' man"ifold

Pronunciation: [key]
— Auto. Auto.
  1. a component of the exhaust system consisting of a collection of tubes, usually of cast iron, that channel the exhaust gases from the cylinders of an engine to the rest of the exhaust system.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.