TRACKING

trailing, tracking

(noun) the pursuit (of a person or animal) by following tracks or marks they left behind

Source: WordNet® 3.1

Noun

tracking (countable and uncountable, plural trackings)

The act or process by which something is tracked.

(typography) A consistent adjustment of space between individual letters; letterspacing.

(education) The division of pupils into separately taught groups by perceived ability level.

Synonym: streaming

Verb

tracking

present participle of track

Source: Wiktionary

TRACK

Track, n. Etym: [OF.trac track of horses, mules, trace of animals; of Teutonic origin; cf.D.trek a drawing, trekken to draw, travel, march, MHG. trechen, pret. trach. Cf. Trick.]

1. A mark left by something that has passed along; as, the track, or wake, of a ship; the track of a meteor; the track of a sled or a wheel. The bright track of his fiery car. Shak.

2. A mark or impression left by the foot, either of man or beast; trace; vestige; footprint. Far from track of men. Milton.

3. (Zoöl.)

Definition: The entire lower surface of the foot;-said of birds, ect.

4. A road; a beaten path. Behold Torquatus the same track pursue. Dryden.

5. Course; way; as, the track of a comet.

6. A path or course laid out for a race, for exercise, ect.

7. (Raolroad)

Definition: The permanent way; the rails.

8. Etym: [Perhaps a mistake for tract.]

Definition: A tract or area, as of land. [Obs.] "Small tracks of ground." Fuller. Track scale, a railway scale. See under Railway.

Track, v. t. [imp. & p. p. tracked; p. pr. & vb. n. tracking.]

Definition: To follow the tracks or traces of; to pursue by following the marks of the feet; to trace; to trail; as, to track a deer in the snow. It was often found impossible to track the robbers to their retreats among the hills and morasses. Macaulay.

2. (Naut.)

Definition: To draw along continuously, as a vessel, by a line, men or animals on shore being the motive power; to tow.

Source: Webster’s Unabridged Dictionary 1913 Edition