Reversing
Pronunciation : Re*vers"ing
Part of Speech : a.
Definition : Defn: Serving to effect reversal, as of motion; capable of being reversed. Reversing engine, a steam engine having a reversing gear by means of which it can be made to run in either direction at will. -- Reversing gear (Mach.), gear for reversing the direction of rotation at will.
Source : Webster's Unabridged Dictionary, 1913