S: (n) lead, track, trail (evidence pointing to a possible solution) "the police are following a promising lead"; "the trail led straight to the perpetrator"
S: (v) trail, shack (move, proceed, or walk draggingly or slowly) "John trailed behind his class mates"; "The Mercedes trailed behind the horse cart"
S: (v) trail (hang down so as to drag along the ground) "The bride's veiled trailed along the ground"
S: (v) trail, train (drag loosely along a surface; allow to sweep the ground) "The toddler was trailing his pants"; "She trained her long scarf behind her"