track

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A mark or succession of marks left by something that has passed.
2. n. A path, route, or course indicated by such marks: an old wagon track through the mountains.
3. n. A path along which something moves; a course: following the track of an airplane on radar.
4. n. A course of action; a method of proceeding: on the right track for solving the puzzle.
5. n. An intended or proper course: putting a stalled project back on track.
6. n. A succession of ideas; a train of thought.
7. n. Awareness of something occurring or passing: keeping track of the score; lost all track of time.
8. n. Sports A course laid out for running or racing.
9. n. Sports Athletic competition on such a course; track events.
10. n. Sports Track and field.
11. n. A rail or set of parallel rails upon which railroad cars or other vehicles run.
12. n. The boundary, formerly often delineated by train tracks, that separates two neighborhoods of different social class: grew up on the wrong side of the tracks.
13. n. Either of the continuous metal belts with which vehicles such as bulldozers and tanks move over the ground.
14. n. A metal groove or ridge that holds, guides, and reduces friction for a moving device or apparatus.
15. n. Any of several courses of study to which students are assigned according to ability, achievement, or needs: academic, vocational, and general tracks.
16. n. A distinct path, as along a length of film or magnetic tape, on which sound, images, or other information is recorded.
17. n. A distinct selection from a sound recording, such as a phonograph record or compact disk, usually containing an individual work or part of a larger work: the title track of an album.
18. n. One of the separate sound recordings that are combined so as to be heard simultaneously, as in stereophonic sound reproduction: mixed the vocal track and instrumental track.
19. n. Computer Science One of the concentric magnetic rings that form the separate data storage areas on a floppy disk or a hard disk.
20. n. Slang Needle marks on the skin from multiple intravenous injections, considered an indication of habitual drug use.
21. v. To follow the tracks of; trail: tracking game through the forest.
22. v. To move over or along; traverse.
23. v. To carry on the shoes and deposit: tracked mud on the rug.
24. v. To observe or monitor the course of (aircraft, for example), as by radar.
25. v. To observe the progress of; follow: tracking the company's performance daily.
26. v. To equip with a track.
27. v. To assign (a student) to a curricular track.
28. v. To move along a track.
29. v. To follow a course; travel.
30. v. To keep a constant distance apart. Used of a pair of wheels.
31. v. To be in alignment.
32. v. To follow the undulations in the groove of a phonograph record. Used of a needle.
33. v. To move across magnetic heads. Used of magnetic tape.
34. track down To pursue until found or captured: "When, like a running grave, time tracks you down” ( Dylan Thomas).
35. idiom. in (one's) tracks Exactly where one is standing: stopped him right in his tracks.

Century Dictionary and Cyclopedia

1. To follow a track, or to proceed along a certain definite route.
2. To tow.
3. To draw; specifically, to draw or tow (a boat) by a line reaching from the vessel to the bank or shore.
4. To draw out; protract; delay.
5. n. A feature; lineament.
6. n. A mark left by something that has passed along: as, the track of a ship (a wake): the track of a wagon (a rut).
7. n. A mark or an impression left by the foot, whether of man or beast; a footprint; specifically, in paleontology, an ichnite or ichnolite; a fossil footprint, or cast of an extinct animal's foot. Compare trace, 1, and trail, 2.
8. n. A road; a path; a trail.
9. n. A course followed; a way of going or proceeding: as, the track of a comet.
10. n. The course or path laid out for horse-, foot-, bicycle-, or other races: as, a cinder track; a track of six laps to the mile.
11. n. The two continuous lines of rails on which railway-cars run, forming, together with the ties, ballast, switches, etc., an essential part of the permanent way: as, a single track; a double track; to cross the track. See cut under switch.
12. n. In anatomy, the course of a vessel, nerve, duct, etc.
13. n. In zoology, the sole of the foot.
14. n. = Syn. 3–6. Road, Path, etc. (see way), trail, pathway.
15. To follow up the tracks of; follow by the tracks or traces left by that which is followed; trace; trail.
16. To ascertain by means of existing traces or remains; trace.
17. To trace, follow, or mark out plainly.
18. To make tracks over; traverse: as, to track the desert.
19. To make marks upon, as with wet or muddy feet.
20. n. A tract of land.

Wiktionary

1. n. 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.
2. n. A mark or impression left by the foot, either of man or beast; trace; vestige; footprint.
3. n. The entire lower surface of the foot; said of birds, etc.
4. n. A road; a beaten path.
5. n. Course; way; as, the track of a comet.
6. n. A path or course laid out for a race, for exercise, etc.
7. n. The permanent way; the rails.
8. n. A tract or area, as of land.
9. n. automotive The distance between two opposite wheels on a same axletree (also track width)
10. n. automotive Short for caterpillar track.
11. n. cricket The pitch.
12. n. Sound stored on a record.
13. n. The physical track on a record.
14. n. music A song or other relatively short piece of music, on a record, separated from others by a short silence
15. n. Circular (never-ending) data storage unit on a side of magnetic or optical disk, divided into sectors.
16. n. uncountable, sports The racing events of track and field; track and field in general.
17. n. A session talk on a conference.
18. v. transitive To observe the (measured) state of an object over time
19. v. transitive To monitor the movement of a person or object.
20. v. transitive To discover the location of a person or object (usually in the form track down).
21. v. transitive To follow the tracks of.
22. v. transitive To leave in the form of tracks.

GNU Webster's 1913

1. n. A mark left by something that has passed along
2. n. A mark or impression left by the foot, either of man or beast; trace; vestige; footprint.
3. n. (Zoöl.) The entire lower surface of the foot; -- said of birds, etc.
4. n. A road; a beaten path.
5. n. Course; way.
6. n. A path or course laid out for a race, for exercise, etc.
7. n. (Railroad) The permanent way; the rails.
8. n. obsolete A tract or area, as of land.
9. v. To follow the tracks or traces of; to pursue by following the marks of the feet; to trace; to trail.
10. v. (Naut.) To draw along continuously, as a vessel, by a line, men or animals on shore being the motive power; to tow.

WordNet 3.0

1. v. carry on the feet and deposit
2. v. make tracks upon
3. n. evidence pointing to a possible solution
4. n. any road or path affording passage especially a rough one
5. v. go after with the intent to catch
6. n. a groove on a phonograph recording
7. v. observe or plot the moving path of something
8. n. the act of participating in an athletic competition involving running on a track
9. n. a line or route along which something travels or moves
10. n. a pair of parallel rails providing a runway for wheels
11. v. travel across or pass over
12. n. a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll
13. n. (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data
14. n. a course over which races are run
15. n. an endless metal belt on which tracked vehicles move over the ground
16. n. a distinct selection of music from a recording or a compact disc