Examples from the Web for tracer
Suddenly, the darkness came alive with muzzle flashes and tracer rounds.From PTSD to Prison: Why Veterans Become Criminals|Matthew Wolfe|July 28, 2013|DAILY BEAST
Tracer bullets, each with a descending arc, were zinging all around as Rigg swung LCI(L)-88 to the right.The Story of the American Journalists Who Landed on D-Day|Timothy M. Gay|June 6, 2012|DAILY BEAST
Below us, on Sultan Ismail Street, government troops thrust lances of tracer fire towards a horde of approaching cadavers.The Extinction Parade: An Original Zombie Story by Max Brooks|Max Brooks|January 14, 2011|DAILY BEAST
The Tracer paused and waited for the stenographer to finish.
Tracer: A chisel-shaped punch used for cutting for any design or work that requires deep lines.The Library of Work and Play: Working in Metals|Charles Conrad Sleffel
I'll bet I could fix him for life if I called in the Tracer to help me.
As the tracer follows the curve the frame is made to turn through an angle nθ.
He wheeled squarely on his heels, looking straight at the Tracer.
British Dictionary definitions for tracer
- a projectile that can be observed when in flight by the burning of chemical substances in its base
- ammunition consisting of such projectiles
- (as modifier)tracer fire
Word Origin and History for tracer
c.1500, "one who tracks or searches," agent noun from verb form of trace (n.1). Meaning "bullet whose course is made visible" is from 1910.