add. ·vt to increase the power of (a single-cylinder beam engine) by adding a small high-pressure cylinder with a piston acting on the beam between the center and the flywheel end, using high-pressure steam and working as a compound engine, a plan introduced by m'naught, a scottish engineer, in 1845.
M'-NAUGHT
Meaning of M'-NAUGHT in English
Webster English vocab. Английский словарь Webster. 2012