Tracker ( noun , verb )

(As a noun)

Tracker ( noun )

1. A device or program that records or monitors the activity or position of something or someone.
2. A person or animal that tracks or follows something or someone.
3. A mechanism in a musical instrument that controls the pitch of a sound.

Origin:

From middle english trakkere, from old english træccer ("one who tracks"), equivalent to track + -er.

Examples:

1. I put a tracker on my car in case it gets stolen.
2. The hunter used his dog as a tracker to find the missing hiker.
3. The tracker on the piano needs to be adjusted for the notes to be in tune.
4. The fitness tracker on my wrist counts my steps and calories burned.
5. I use a time tracker app to monitor my productivity.

(As a verb)

Tracker ( verb )

1. A device or program that records or monitors the activity or position of something or someone.
2. A person or animal that tracks or follows something or someone.
3. A mechanism in a musical instrument that controls the pitch of a sound.

Origin:

From middle english trakkere, from old english træccer ("one who tracks"), equivalent to track + -er.

Examples:

1. I put a tracker on my car in case it gets stolen.
2. The hunter used his dog as a tracker to find the missing hiker.
3. The tracker on the piano needs to be adjusted for the notes to be in tune.
4. The fitness tracker on my wrist counts my steps and calories burned.
5. I use a time tracker app to monitor my productivity.