Noun
1. a line or route along which something travels or moves;
"the hurricane demolished houses in its path""the track of an animal""the course of the river"2. evidence pointing to a possible solution;
"the police are following a promising lead""the trail led straight to the perpetrator"3. a pair of parallel rails providing a runway for wheels
4. a course over which races are run
5. a distinct selection of music from a recording or a compact disc;
"he played the first cut on the cd""the title track of the album"6. an endless metal belt on which tracked vehicles move over the ground
7. (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data
8. a groove on a phonograph recording
9. a bar or bars of rolled steel making a track along which vehicles can roll
10. any road or path affording passage especially a rough one
11. the act of participating in an athletic competition involving running on a track