Here you will find one or more explanations in English for the word Tracers.
Also in the bottom left of the page several parts of wikipedia pages related to the word Tracers and, of course, Tracers synonyms and on the right images related to the word Tracers.
Tracer
Tracer Trac"er, n.
1. A person engaged (esp. in the express or railway service)
in tracing, or searching out, missing articles, as
packages or freight cars.
2. An inquiry sent out (esp. in transportation service) for a
missing article, as a letter or an express package.
Tracer
Tracer Tra"cer, n.
One who, or that which, traces.
Meaning of Tracers from wikipedia