1. (

• tracing

) the act of drawing a plan or diagram or outline ;

2. (

• tracing ,
• trace

) a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image ;

3. (

• tracing ,

) the discovery and description of the course of development of something; "the tracing of genealogies" ;