EXHAUSTS

A system consisting of the parts of an engine through which burned gases or steam are discharged; see also exhaust system.

The steam let out of a cylinder after it has done its work there.

The dirty air let out of a room through a register or pipe provided for the purpose.

To draw or let out wholly; to drain off completely

"Moisture of the earth is exhausted by evaporation."

To empty by drawing or letting out the contents

"to exhaust a treasury"

To drain; to use up or expend wholly, or until the supply comes to an end

"I exhausted my strength walking up the hill."