track¹ /trak/

1. A mark or trail left
2. A beaten path or road
3. A made path
4. A sequence or course of thoughts or actions
5. The predetermined line of travel of an aircraft
6. A line of motion or travel
7. A course, usu oval-shaped, on which races are run
8. A railway line, the rails and the space between
9. The groove cut in a gramophone record by the recording instrument
10. One out of several items recorded on a disc or tape
11. One of several areas or paths on magnetic recording equipment (eg magnetic tape) receiving information from a single input channel
12. A film's soundtrack
13. Any of several more or less demanding courses of study designed to meet the respective needs of students divided into groups according to ability (US)
14. A plastic or metal rod from which curtains, lights, etc can be suspended
15. The endless band on which the wheels of a caterpillar vehicle run (tracked adjective equipped with such metal bands)
16. (in a factory, etc) a conveyor carrying goods in process of manufacture
17. Track and field events collectively (N American)
18. The distance between a pair of wheels measured as the distance between their respective points of contact with the ground
19. A path followed by a particle, esp when rendered visible in photographic emulsion by cloud chamber, bubble chamber or spark chamber
20. (usu in pl) a red mark on the skin caused by using intravenous drugs (slang)

1. To follow the track of
2. To find by so doing
3. To traverse
4. To beat, tread (a path, etc)
5. To follow the progress of
6. To follow the movement of (a satellite, spacecraft, etc) by radar, etc, and record its positions
7. (of a stylus or laser beam) to read information from (a vinyl record, CD, etc)
8. To follow or move in relation to (a moving object) while filming it
9. To leave dirty marks on (a floor) (with on or up; N American)
10. To make dirty marks on eg a floor with (snow, mud, etc) (N American)

1. To follow a trail
2. To make one's way (informal)
3. To run in alignment, esp (of gramophone needles) to follow the grooves
4. (of a camera or camera operator) to follow or move in relation to a moving object being filmed
5. To move a dolly camera in a defined path while taking a shot (tracking shot)

trackˈable adjective

trackˈage noun

Provision of railway tracks

trackˈer noun

1. A person or thing that tracks
2. An investment fund that aims to follow a stock market index

trackie adjective (informal)

(of a garment) originally constituting part of a tracksuit

(in pl) a tracksuit

trackˈing noun

1. The action of the verb
2. Excessive leakage current between two insulated points due eg to moisture (elec eng)
3. Disposition of the tone arm on a gramophone so that the stylus remains correctly positioned in the groove
4. The addition of prerecorded music to a motion picture instead of using specially-commissioned music
5. The division of study courses or students into tracks (qv above) (US)

trackˈless adjective

1. Without a path
2. Untrodden
3. Leaving no trace
4. Running without rails

trackˈlessly adverb

trackˈlessness noun

track and field noun

Athletic events collectively, incl running and hurdling races (track events), and jumping and throwing competitions (field events)

trackˈ-and-fieldˈ adjective

trackˈball or trackˈerball noun (computing)

A spherical ball that can be rotated with the palm of the hand causing the cursor to move across the screen

trackˈbed noun

The foundations of a railway track

tracker dog noun

One used for tracking, esp in police searches

track event noun see track and field above.

tracking station noun

A station with radar and radio equipment allowing it to track spacecraft, aircraft and satellites through the atmosphere or space

trackˈlayer noun

1. A tracklaying vehicle
2. A trackman (N American)

trackˈlaying adjective

(of a vehicle) having caterpillar tracks

trackˈman noun (N American)

A platelayer

trackˈpad noun same as touchpad (see under touch)

track record noun

A record of past performance, orig that of an athlete, now generally that of any individual, company, etc

track rod noun

A rod connecting the front wheels of a vehicle, ensuring alignment and accurate steering

track shoe noun

A lightweight spiked running shoe worn by athletes

trackˈsuit noun

A loose warm suit intended to be worn by athletes when warming up or training, but sometimes worn by others in an error of judgement

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