Definition of tracker dog in English:
A dog trained to pick up and follow a scent.
- To uncover refugees, the EU's eastern borders have been equipped with detachments of tracker dogs.
- His old haunts in the Abbots Road area near the canal were visited around 5am by armed police with tracker dogs.
- They suffered hypothermia, bruises, abrasions, bites from tracker dogs, or were injured in road accidents.