What does the word bloodhound mean?

Usage examples for bloodhound

  1. Once on the trail he was as hard to shake off as a bloodhound. – The Spirit of the Border A Romance of the Early Settlers in the Ohio Valley by Zane Grey
  2. As the snowy cloud of canvas was rolled up like magic, and the tall tapering spars were seen in its place, I supposed the cruiser was about to retire from the contest; but she still followed with the tenacity of a bloodhound. – The Narrative of a Blockade-Runner by John Wilkinson
  3. The one thing that I want to tell you just now, Black Hill, is that I am not any longer bloodhound at the heels of Ian. – Foes by Mary Johnston