Definition of "furze"

Gonz. Now would I giue a thouſand furlongs of Sea, for an Acre of barren ground : Long heath, Browne firrs, any thing; […]

1610–1611 (date written), William Shakespeare, “The Tempest”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene i], page 1

At length, receiving his quarterly allowance of fifteen guineas, instead of discharging his debts he walk'd out of town, hid his gown in a furze bush, and footed it to London, […]

1771–1790, Benjamin Franklin, “The Autobiography [Part 1]”, in John Bigelow, editor, Autobiography of Benjamin Franklin. […], Philadelphia, Pa.: J[oshua] B[allinger] Lippincott & Co., published 1868, page 158

“My Continental prominence is improving,” I commented dryly. ¶ Von Lindowe cut at a furze bush with his silver-mounted rattan. ¶ “Quite so,” he said as dryly, his hand at his mustache. “I may say if your intentions were known your life would not be worth a curse.”

1908, W[illiam] B[lair] M[orton] Ferguson, chapter IV, in Zollenstein, New York, N.Y.: D. Appleton & Company, page 41

Clumps of withered grass stood out on the hill-top; the furze bushes were black, and now and then a black shiver crossed the snow as the wind drove flurries of frozen particles before it.

1922 October 26, Virginia Woolf, chapter VIII, in Jacob’s Room, Richmond, London: […] Leonard & Virginia Woolf at the Hogarth Press; republished London: The Hogarth Press, 1960, page 97