Definition of "bloodhound" [blood•hound]

• One of a breed of hounds with a smooth coat, drooping ears, sagging jowls, and a keen sense of smell. (noun)
• Informal A relentless pursuer. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "LYNCH: Well, the bloodhound has been a great resource for us, and has tracked multiple scents."
• "Her husband said nothing, and began to talk of something else; but the next morning he ordered his horse, took his spear, called his bloodhound, and set off for the castle."
• "The bloodhound was an amiable fellow, not half as bright as Bingle, but nevertheless excellent at his work."