Definición de blue heeler en inglés:
A cattle dog with a dark speckled body.
- She had always maintained her attacker's dog was a blue heeler, with brown and white colouring, that didn't bark or approach her when she was forced into the man's four wheel drive.
- Like a faithful blue heeler, who waits patiently for his surfer-master in the front seat of the panel van, the car remains an attribute of Aussie masculinity.
- A few days earlier a blue heeler from a house across the road was also targeted and barely survived the incident.
early 20th century: blue from the characteristic blue (or red) flecked coat of the breed.