1.VerbTo hunt for or locate; to search for; to find.
"I need to track down a computer so I can check my e-mails."
2.VerbUsed other than figuratively or idiomatically: see track, down.
"She'll track him down the mountain and catch him before long.; The hurricane tracked down past the cape before blowing east.; The cameraman tracked the plane down so we have a recording of the crash."