Wiktionary
working dogs
n. (plural of working dog English)
Usage examples of "working dogs".
All of the other pups became working dogs sold to noble families for huge sums of money.
None of those working dogs exhibited the intelligence or the extreme loyalty of a favorite.
At the far end, her father was putting one or two of his best horses through their paces, while the kennel-man was displaying working dogs trained to obedience to word or gesture.
It may sound far-fetched, but telepathic communion with animals has been practised for centuries, especially in close relationships that men have had with their working dogs.
One elderly adult as teacher, a dozen or more children, two working dogs and a herd of swine school and work.