my favourite dog is the dobermann pincer which is in breeding a x between a greyhound and a rottweiler. you can see the greyhound blood in them by the head and chest shapes. greyhounds are another favourite of mine after training and owning them for over 20 years. the definition of a greyhound is . the head of a snake - the neck of a drake - the back of a beam - the side of a bream - the foot of a cat - and the tail of a rat.