The meaning of Track-down

idiom

Pursue for food or sport (as of wild animals)

phrasal verb

Find someone or something after a thorough or difficult search.

Usage examples:

It took seventeen years to track down the wreck of the ship

phrasal verb

To search for someone or something, often when it is difficult to find that person or thing

Usage examples:

I’m trying to track down one of my old classmates from college.

phrasal verb

To find something or someone after looking for them in a lot of different places

Usage examples:

He finally managed to track down the papers he wanted., all this electronic data is trackable.