The Irish Wolfhound (Irish: Cú Faoil) is a breed of domestic dog (Canis lupus familiaris), specifically a sighthound. The name originates from its purpose (wolf hunting) rather than from its appearance. Irish Wolfhounds are the tallest dog breed on average, though Great Danes can exceed their height.[citation needed] The most distinguishing physical feature of the Irish Wolfhound is its great size.
Generally breeders aim for a height range of 85 to 90 centimeters (33 to 36 inches) at the withers in males, 50 to 80 centimeters (30 to 34 inches) for females. Generally acceptable weight 46–70 kg (101–154lbs).