exhaust-nozle

Century Dictionary and Cyclopedia

1. n. In locomotive and some other steam-engines, the blast-nozle or -orifice which discharges exhaust-steam into the uptake to make a forced draft.
2. n. A device for silencing the noise occasioned by the escape of exhaust-steam, or the steam of an ejector used with a vacuum-brake; a quieting-chamber.