Noah Webster's New International Dictionary of the English Language
1. (n.) One of two straps, chains, or ropes of a harness, extending from the collar or breastplate to a whiffletree attached to a vehicle or thing to be drawn; a tug.
2. (n.) A mark left by anything passing; a track; a path; a course; a footprint; a vestige; as, the trace of a carriage or sled; the trace of a deer; a sinuous trace.
3. (n.) A very small quantity of an element or compound in a given substance, especially when so small that the amount is not quantitatively determined in an analysis; -- hence, in stating an analysis, often contracted to tr.
4. (n.) A mark, impression, or visible appearance of anything left when the thing itself no longer exists; remains; token; vestige.
5. (n.) The intersection of a plane of projection, or an original plane, with a coordinate plane.
6. (n.) The ground plan of a work or works.
7. (v. t.) To mark out; to draw or delineate with marks; especially, to copy, as a drawing or engraving, by following the lines and marking them on a sheet superimposed, through which they appear; as, to trace a figure or an outline; a traced drawing.
8. (v. t.) To follow by some mark that has been left by a person or thing which has preceded; to follow by footsteps, tracks, or tokens.
9. (v. t.) Hence, to follow the trace or track of.
10. (v. t.) To copy; to imitate.
11. (v. t.) To walk over; to pass through; to traverse.
12. (v. i.) To walk; to go; to travel.