A beagle is a short-haired black and brown dog with long ears and short legs. It is kept as a pet or sometimes used for hunting. a dog with short legs and smooth fur, sometimes used in hunting (Perhaps from beegueule , from beer + gueule ). Breed of small hound, popular as both a pet and a hunter. It looks like a small foxhound, with large brown eyes, hanging ears, and a short coat that is usually a combination of black, tan, and white. Beagles are solidly built and heavy for their height. Two sizes are recognized: those standing less than 13 in. (33 cm) and weighing about 18 lbs (8 kg), and those standing about 15 in. (38 cm) and weighing about 30 lbs (13.5 kg). Beagles generally excel as rabbit hunters and are typically alert and affectionate