Webster's Revised Unabridged Dictionary · 1913

Brach

Brach (brak) , noun

[Old English brache a kind of scenting hound or setting dog, Old French brache, French braque, from Old High German braccho, German bracke; possibly akin to English fragrant, from Latin fragrare to smell.]

A bitch of the hound kind. — Shakespeare

brach (brak or brach) , noun

[Old English brache a kind of scenting hound or setting dog, Old French brache, French braque, from Old High German braccho, German bracke; related to Swedish brack a dog that hunts by scent; possibly akin to English fragrant, from Latin fragrare to smell.]

A bitch of the hound kind. See also bratchet. — Shakespeare
A sow pig by chance sucked a brach, and when she was grown would miraculously hunt all manner of deer. — Burton (Anatomy of Melancholy)

Also: brache