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Webster 1913 Edition

Adj.

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.

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Reversing gear

(Mach.)

gear for reversing the direction of rotation at will.

ppr.

Turning upside down; subverting; turning the contrary way; annulling.

reversing

reversing ‎(plural reversings)

an act of reversal