Wordnet 3.0
NOUN (1)
1. 
 the part of a book that faces inward when the book is shelved; 
 the part opposite the spine; 
[syn: fore edge, foredge]
WordNet (r) 3.0 (2006):
foredge
    n 1: the part of a book that faces inward when the book is
         shelved; the part opposite the spine [syn: fore edge,
         foredge]