tracker
noun /ˈtrækə(r)/
/ˈtrækər/
- a person who can find people or wild animals by following the marks that they leave on the ground
- The trackers located the rhino and darted it with tranquillizing drugs.
Oxford Collocations DictionaryTracker is used before these nouns:- dog
- a device that follows and records the movements of somebody/something
- Electronic trackers show how far the animals range in search of food.
- (also tracker fund)(finance) an investment fund that aims to follow in value a stock market index or group of indexes
- Forget about fund managers and individual shares: choose an index tracker instead.