from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One of a breed of hounds with a smooth coat, drooping ears, sagging jowls, and a keen sense of smell.
- n. Informal A relentless pursuer.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A large scenthound famed for its ability to follow a scent many days old, over vast distances. This dog is often used as a police dog to track missing people, fleeing suspects, or escaped prisoners.
- n. A detective or other person skilled at finding people or clues.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. 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, tracing a wounded animal by the blood it has spilled (whence its name), or by any other effluvium or halitus left on a trail which it follows by scent.
- n. Figuratively, a man who hunts for blood; a relentless persecutor.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a breed of large powerful hound of European origin having very acute smell and used in tracking
From Middle English blodhound, blodhond, equivalent to blood + hound. Cognate with Dutch bloedhond ("bloodhound"), Middle Low German blōthunt ("bloodhound"), German Bluthund ("bloodhound"), Danish blodhund ("bloodhound"), Swedish blodhund ("bloodhound"). The detective sense follows from the dog's ability to follow a trail. (Wiktionary)