Trace1  —v. (-cing) 1 a observe or find vestiges or signs of by investigation. B (often foll. By along, through, to, etc.) Follow or mark the track or position of. C (often foll. By back) follow to its origins. 2 copy (a drawing etc.) By drawing over its lines on superimposed translucent paper. 3 (often foll. By out) mark out, delineate, sketch, or write, esp. Laboriously. 4 make one's way along (a path etc.). —n. 1 a indication of something having existed; vestige. B very small quantity. 2 track or footprint. 3 track left by the moving pen of an instrument etc.  traceable adj. [latin traho draw]