Blŏod'-hound, n.

noun

n. [blood and hound.] A variety of dog, with long, smooth, and pendulous ears, remarkable for the acuteness of its smell, and employed to recover game or prey which has escaped wounded from a hunter, by tracing it by the blood it had spilt.

An engraving of a Cuban bloodhound sniffing the ground.
Cuban Blood-hound.