1) Hound 2) Hound dog 
• (n.) A large and powerful hound formerly used in hunting the stag, the wolf, and other large animals. The breed is nearly extinct.
Stag'hound` noun (Zoology) A large and powerful hound formerly used in hunting the stag, the wolf, and other large animals. The breed is nearly extinct. 
[n] - a large heavy hound formerly used in hunting stags and other large game
noun a large heavy hound formerly used in hunting stags and other large game; similar to but larger than a foxhound
a hound trained to hunt stags and other large animals.