SPEED COUNTER
Speed counter. (Mach.)

Defn: A device for automatically counting the revolutions or pulsations of an engine or other machine; — called also simply counter.

SPEEDER
Speed"er, n.

1. One who, or that which, speeds.

2. (Spinning)

Defn: A machine for drawing and twisting slivers to form rovings.

SPEEDFUL
Speed"ful, a.

Defn: Full of speed (in any sense). [Obs.]

SPEEDFULLY
Speed"ful*ly, adv.

Defn: In a speedful manner. [Obs.]