1. a surviving mark, sign, or evidence of the former existence, influence, or action of some agent or event; vestige: traces of an advanced civilization among the ruins.
2. a barely discernible indication or evidence of some quantity, quality, characteristic, expression, etc.: a trace of anger in his tone.
3. an extremely small amount of some chemical component: a trace of copper in its composition.
4. the series of footprints left by an animal.
5. the track left by the passage of a person, animal, or object: the trace of her skates on the ice.
6. precipitation of less than 0.005 inch (0.127 millimeter).
7. a trail or path, especially through wild or open territory, made by the passage of people, animals, or vehicles.
8. engram.
9. a tracing, drawing, or sketch of something.
10. a lightly drawn line, as the record drawn by a self-registering instrument.
11. Mathematics.
• the intersection of two planes, or of a plane and a surface.
• the sum of the elements along the principal diagonal of a square matrix.
• the geometric locus of an equation.
12. the visible line or lines produced on the screen of a cathode-ray tube by the deflection of the electron beam.
13. (in generative grammar) a construct that is phonologically empty but serves to mark the place in the surface structure of a sentence from which a noun phrase has been moved by a transformational operation.
14. a footprint.

15. to follow the footprints, track, or traces of.
16. to follow, make out, or determine the course or line of, especially by going backward from the latest evidence, nearest existence, etc.: to trace one's ancestry to the Pilgrims.
17. to follow (footprints, evidence, the history or course of something, etc.).
18. to follow the course, development, or history of: to trace a political movement.
19. to ascertain by investigation; find out; discover: The police were unable to trace his whereabouts.
20. to draw (a line, outline, figure, etc.).
21. to make a plan, diagram, or map of.
22. to copy (a drawing, plan, etc.) by following the lines of the original on a superimposed transparent sheet.
23. to mark or ornament with lines, figures, etc.
24. to make an impression or imprinting of (a design, pattern, etc.).
25. (of a self-registering instrument) to print in a curved, broken, or wavy-lined manner.
26. to put down in writing.

27. to go back in history, ancestry, or origin; date back in time: Her family traces back to Paul Revere.
28. to follow a course, trail, etc.; make one's way.
29. (of a self-registering instrument) to print a record in a curved, broken, or wavy-lined manner.

1. either of the two straps, ropes, or chains by which a carriage, wagon, or the like is drawn by a harnessed horse or other draft animal.
2. a piece in a machine, as a bar, transferring the movement of one part to another part, being hinged to each.

3. to throw off restraint; become independent or defiant: He kicked over the traces and ran off to join the navy.

1. a mark or other sign that something has been in a place; vestige
2. a tiny or scarcely detectable amount or characteristic
3. a footprint or other indication of the passage of an animal or person
4. any line drawn by a recording instrument or a record consisting of a number of such lines
5. something drawn, such as a tracing
6. a beaten track or path
7. the postulated alteration in the cells of the nervous system that occurs as the result of any experience or learning
8. the intersection of a surface with a coordinate plane
9. the sum of the diagonal entries of a square matrix
10. a symbol inserted in the constituent structure of a sentence to mark the position from which a constituent has been moved in a generative process
11. an amount of precipitation that is too small to be measured
12. a way taken; route

13. to follow, discover, or ascertain the course or development of (something)
14. to track down and find, as by following a trail
15. to copy (a design, map, etc) by drawing over the lines visible through a superimposed sheet of transparent paper or other material
16. (tr often foll by out)
• to draw or delineate a plan or diagram of
• to outline or sketch (an idea, policy, etc)
17. to decorate with tracery
18. to imprint (a design) on cloth, etc
19. to follow or be followed to source; date back
20. to make one's way over, through, or along (something)

1. either of the two side straps that connect a horse's harness to the swingletree
2. a length of nylon or, formerly, gut attaching a hook or fly to a line
3. to escape or defy control

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