trail

a track or mark left by something that has passed; "there as a trail of blood"; "a tear left its trail on her cheek"

a path or track roughly blazed through wild or hilly country

evidence pointing to a possible solution; "the police are following a promising lead"; "the trail led straight to the perpetrator"

to lag or linger behind; "But in so many other areas we still are dragging"

go after with the intent to catch; "The policeman chased the mugger down the alley"; "the dog chased the rabbit"

move, proceed, or walk draggingly or slowly; "John trailed behind his class mates"; "The Mercedes trailed behind the horse cart"

hang down so as to drag along the ground; "The bride's veiled trailed along the ground"

drag loosely along a surface; allow to sweep the ground; "The toddler was trailing his pants"; "She trained her long scarf behind her"