The phrase "cow hocks" refers to a physical characteristic of animals, including cows, that have hocks that are close together or touch each other when viewed from behind. Full definition
We do not breed dogs with faults such as cow hocked, high rears, kinked tails etc.. (chicagobulliez.com)
The tip of the hock often points outward and the toes inward (the reverse of cow hocks). (cavaliercanada.com)
Do you know that our trainer's puppy need not worry about their puppy having hind leg or cow hock which believed due to weak leg or running too much at home? (apawz.com)