a rough path across countryside or through a forest: ➔ nature trail
The trail led over Boulder Pass before descending to a lake.
a long line or a series of marks that have been left by someone or something
a series of unpleasant situations or feelings that have been left by someone or something
He left a trail of broken hearts and broken promises.
a sign that a person or animal has been in a place, used for finding or catching them:
The hunters lost the tiger's trail in the middle of the jungle.
Police tracked him to Valencia and there the trail went cold (=they could not find any signs of him).
to be trying to find someone or something by getting information about them:
industrial spies on the trail of technological secrets
Police believe they are hot on the trail of a drug-smuggling gang (=they are close to finding them).
all the places that a particular group of people visit for a particular purpose:
a town on the tourist trail
politicians on the campaign trail
the set of things that someone does to achieve something:
New players should put the team back on the winning trail.