1. verb /treɪl/
a) To follow behind (someone or something); to tail (someone or something).
The hunters trailed their prey deep into the woods.
b) To drag (something) behind on the ground.
Youll get your coat all muddy if you trail it around like that.
2. noun /treɪl/
a) The track followed by a hunter.
b) A route for travel over land, especially a narrow, unpaved route for use by hikers, horse riders, etc.
Wikipedia foundation.