e/Plenum chamber

Information
has gloss	eng: A plenum chamber is a pressurised housing containing a gas or fluid (typically air) at positive pressure (pressure higher than surroundings). One function of the plenum can be to equalise pressure for more even distribution, because of irregular supply or demand. A plenum chamber can also work as an acoustic silencer device.
lexicalization	eng: plenum chamber
instance of	(noun) compressor that forces increased oxygen into the cylinders of an internal-combustion engine supercharger