#1 trace v. [follow] follow, discover, or ascertain the course of development of something; "We must follow closely the economic development is Cuba" ; "trace the student's progress". wn
#2 trace n. [hint, suggestion] a just detectable amount; "he speaks French with a trace of an accent". wn
#3 trace v. [draw, line, describe, delineate] make a mark or lines on a surface; "draw a line"; "trace the outline of a figure in the sand". wn
#4 trace n. [vestige, tincture, shadow] an indication that something has been present; "there wasn't a trace of evidence for the claim"; "a tincture of condescension". wn
#5 trace v. [retrace] to go back over again; "we retraced the route we took last summer"; "trace your path". wn
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