Treen \Treen\, a. [AS. tre['o]wen.] 1. Made of wood; wooden. [Obs.] `` Treen cups.'' --Camden. 2. Relating to, or drawn from, trees. [Obs.] --Spenser. Treen liquors, especially that of the date. --Evelyn. Treen \Treen\, obs. pl. of {Tree}. `` The shady treen.'' --Fairfax.