Definition of "treen"

Erminia's Steed (this while) his Miſtreſs bore / Thro' Foreſts thick among the ſhady Treen,

1726, Torquato Tasso, translated by Edward Fairfax, Godfrey of Bulloigne, or the Recoverie of Jerusalem. Done into English heroicall verse from the Italian of Tasso by E. Fairefax‎, page 195

To ſhew our Reader yet, that theſe are no novel Experiments, we are to know, that a large Tract of the World almoſt altogether ſubſiſt on theſe Treen Liquors; Eſpecially that of the Date,

1670 October 15, John Evelyn, chapter XVI, in Sylva, or a Discourse of Forest-Trees and the Propagation of Timber in His Majesties Dominions‎, 2nd edition, Royal Society, page 75

Theſe homely cups and diſhes pay truly for that they contain: I had rather drink out of treene, and pay gold and ſilver, than drink out of gold and ſilver, and make wooden payment.

1674, William Camden, “Wise Speeches”, in Remains Concerning Britain: Their Languages, Names, Surnames, Allusions, Anagramms, Armories, Moneys, Impresses, Apparel, Artillerie, Wise Speeches, Proverbs, Poesies, Epitaphs‎, Charles Hopper, page 354

References to treen are numerous in old English literature, particularly to chalices, cups, bowls, platters, and "services of treen".

1949, Edward Pinto, Treen; or, Small woodware throughout the ages, London: Batsford, page 1