Noun
(uncountable) Traces of material carried out of an area as a result of sticking to clothing, vehicles, etc.
(countable, film, television) A backward movement of the camera, showing a wider field.
(car racing) The exit of a curve when the car has just fully straightened out.
Navigational assistance providing by tracking a boat or plane as it starts on a course, ensuring that it is following the correct trajectory.
Source: en.wiktionary.org