driving axle

Webster's Dictionary (GCIDE)

1.Having great force of impulse; as, a driving wind or storm. [1913 Webster]

2.Communicating force; impelling; as, a driving shaft. [1913 Webster]

Driving axle, the axle of a driving wheel, as in a locomotive.

Driving box (Locomotive), the journal box of a driving axle. See Illust. of Locomotive.

Driving note (Mus.), a syncopated note; a tone begun on a weak part of a measure and held through the next accented part, thus anticipating the accent and driving it through.

Driving spring, a spring fixed upon the box of the driving axle of a locomotive engine to support the weight and deaden shocks. [Eng.] --Weale.

Driving wheel (Mach.), a wheel that communicates motion; one of the large wheels of a locomotive to which the connecting rods of the engine are attached; -- called also, simply, driver. See Illust. of Locomotive. [1913 Webster]