The Scottish Deerhound, or simply the Deerhound, is a breed

Dog breed

Dog breeds are groups of closely related and visibly similar domestic dogs, which are all of the subspecies Canis lupus familiaris, having characteristic traits that are selected and maintained by humans, bred from a known foundation stock....

 of hound

Hound

A hound is a type of dog that assists hunters by tracking or chasing the animal being hunted. It can be contrasted with the gun dog, which assists hunters by identifying the location of prey, and with the retriever, which recovers shot quarry...

 (a sighthound

Sighthound

Sighthounds, also called gazehounds, are hounds that primarily hunt by speed and sight, instead of by scent and endurance as scent hounds do.-Appearance:...

), once bred to hunt the Red Deer

Red Deer

The red deer is one of the largest deer species. Depending on taxonomy, the red deer inhabits most of Europe, the Caucasus Mountains region, Asia Minor, parts of western Asia, and central Asia. It also inhabits the Atlas Mountains region between Morocco and Tunisia in northwestern Africa, being...

 by coursing

Coursing

Coursing is the pursuit of game or other animals by dogs—chiefly greyhounds and other sighthounds—catching their prey by speed, running by sight and not by scent. Coursing was a common hunting technique, practised by the nobility, the landed and wealthy, and commoners with sighthounds and lurchers...

.
The Scottish Deerhound resembles a rough-coated Greyhound

Greyhound

The Greyhound is a breed of sighthound that has been primarily bred for coursing game and racing, and the breed has also recently seen a resurgence in its popularity as a pedigree show dog and family pet. It is a gentle and intelligent breed...

. It is however, larger in size and bone. Height of males from 30 to 32 inches (75-80cm) or more, weight 85 to 110 pounds (40-50kg); height of females from 28 inches (70cm) upwards, weight from 75 to 95 pounds (35-43kg). It is one of the tallest sighthounds, with a harsh 3-4 inch long coat and mane, somewhat softer beard and moustache, and softer hair on breast and belly.