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Webster 1913 Edition

(-houndˊ)

Noun.

(Zool.)

A large and powerful hound formerly used in hunting the stag, the wolf, and other large animals. The breed is nearly extinct.

staghound ‎(plural staghounds)

Any of several large dogs once bred to hunt stags.
- 1887, Sir Arthur Conan Doyle, A Study in Scarlet, VII:
  Woodwork and glass gave way before him; but before he got quite through, Gregson, Lestrade, and Holmes sprang upon him like so many staghounds.