'Birken' definitions:

Definition of 'birken'

(from WordNet)
adjective
Consisting of or made of wood of the birch tree [syn: birch, birchen, birken]

Definition of 'Birken'

From: GCIDE
  • Birken \Birk"en\, v. t. [From 1st Birk.] To whip with a birch or rod. [Obs.] [1913 Webster]

Definition of 'Birken'

From: GCIDE
  • Birken \Birk"en\, a. Birchen; as, birken groves. --Burns. [1913 Webster]