Definition of "brach"

FOOL: Truth's a dog that must to kennel; he must be whipped out, when Lady, the brach, may stand by the fire and stink.

c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene iv], lines 109-111

Mastiffe, Grey-hound, Mongrill, Grim, / Hound or Spaniell, Brache, or Hym […] .

c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act III, scene vi]

A sow-pig by chance sucked a brach, and when she was grown, “would miraculously hunt all manner of deer, and that as well, or rather better than any ordinary hound.”

1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: Printed by John Lichfield and James Short, for Henry Cripps

Now, was it not the depth of absurdity—of genuine idiotcy, for that pitiful, slavish, mean-minded brach to dream that I could love her?

1847 December, Ellis Bell [pseudonym; Emily Brontë], Wuthering Heights: […], volume (please specify |volume=I or II), London: Thomas Cautley Newby, […]