Source : Webster's Revised Unabridged Dictionary (1913)

Beechen \Beech"en\, a. [AS. b?cen.]
   Consisting, or made, of the wood or bark of the beech;
   belonging to the beech. ``Plain beechen vessels.'' --Dryden.

Source : WordNet®

beechen
     adj : consisting of or made of wood of the beech tree