#1 track n. [path, course] 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". wn
#2 track v. carry on the feet and deposit; "track mud into the house". wn
#3 track v. observe or plot the moving path of something; "track a missile". wn
#4 track n. [lead, trail] evidence pointing to a possible solution; "the police are following a promising lead"; "the trail led straight to the perpetrator". wn
#5 track n. a pair of parallel rails providing a runway for wheels. wn
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