A breed of large and powerful dogs, with long, smooth, and pendulous ears, and remarkable for acuteness of smell. It is employed to recover game or prey which has escaped wounded from a hunter, and for tracking criminals. Formerly it was used for pursuing runaway slaves. Other varieties of dog are often used for the same purpose and go by the same name. The Cuban bloodhound is said to be a variety of the mastiff.

a breed of large powerful hound of European origin having very acute smell and used in tracking

a versatile dog

A search dog that is remarkable for its keen sense of smell and often used as tracking/trailing canines.

One of a breed of hounds with a smooth coat, drooping ears, sagging jowls, and a keen sense of smell.

A Bloodhound (also known as the St. Hubert Hound) is a large breed of dog bred for the specific purpose of tracking human beings. Consequently, it is often used by authorities to track escaped prisoners, missing children, or earthquake victims.