Wordnet 3.0
NOUN (1)
1. 
 any of several large deciduous trees with rounded spreading crowns and smooth grey bark and small sweet edible triangular nuts enclosed in burs; 
 north temperate regions; 
[syn: beech, beech tree]
The Collaborative International Dictionary of English v.0.48:
Beech tree \Beech" tree`\
   The beech.
   [1913 Webster]
WordNet (r) 3.0 (2006):
beech tree
    n 1: any of several large deciduous trees with rounded spreading
         crowns and smooth grey bark and small sweet edible
         triangular nuts enclosed in burs; north temperate regions
         [syn: beech, beech tree]