A form of magnetic tape technology for audio storage, popular from the mid-1960s to the early 1980s. / (countable) A cartridge for an 8-track player.

(Internet) The use of code associated with a single pixel tag (invisible to the user) to monitor the activity of the user, especially his use of advertisements

(sports) referring to track and field athletics.

A vehicle combining both wheels and treads (caterpillar tracks).

Describing such a vehicle; half-tracked

A lightweight shoe with spikes screwed into its bottom in order to maximize traction (and therefore performance) when running or jumping.

To monitor; to track or record; to understand or follow.

Alternative spelling of racetrack

A continuous track in the form of a steel or rubber belt fitted instead of wheels to crawlers, bulldozers, excavators, loaders, backhoes, tanks and similar off-road vehicles.

The parallel steel rails on which a train runs.