Definitions
1.VerbTo trace (a line, etc. in drawing) again.
2.VerbTo go back over something, usually in an attempt at rediscovery."He retraced his steps, and found his keys where he had dropped them."
3.VerbTo undergo retracement.
4.NounThe period when the beam of the cathode-ray tube returns to its initial horizontal position in order to start the next line of the display.
5.NounAn instance of retracement.