tracker
🇺🇸
/ˈtrækər/
🇬🇧
/ˈtrækə(r)/
A person skilled in finding others by observing signs they leave behind.
The tracker followed the footprints and found the lost child.
A device that monitors and records the movement of an object or person.
The wildlife tracker provided data on the migration patterns of the species.
An investment fund designed to replicate the performance of a stock market index.
Investing in an index tracker can provide broad market exposure with lower fees.