trail in WordNet English dictionary

1. go after with the intent to catch
   "The policeman chased the mugger down the alley"; "the dog chased the rabbit"
   chase  chase after  trail  tail  tag  give chase  dog  go after  track 
   
2. to lag or linger behind
   "But in so many other areas we still are dragging"
   drag  trail  get behind  hang back  drop behind  drop back 
   
3. move, proceed, or walk draggingly or slowly
   "John trailed behind his class mates"; "The Mercedes trailed behind the horse cart"
   trail  shack 
   
4. drag loosely along a surface; allow to sweep the ground
   "The toddler was trailing his pants"; "She trained her long scarf behind her"
   trail  train 
   
5. hang down so as to drag along the ground
   "The bride's veiled trailed along the ground"
   trail 
   

1. evidence pointing to a possible solution
   "the police are following a promising lead"; "the trail led straight to the perpetrator"
   lead  track  trail 
   
2. a path or track roughly blazed through wild or hilly country
   trail 
   
3. a track or mark left by something that has passed
   "there as a trail of blood"; "a tear left its trail on her cheek"
   trail