Wordnet 3.0
NOUN (1)
1.
congenital malformation of the skull which is long and narrow;
frequently accompanied by mental retardation;
The Collaborative International Dictionary of English v.0.48:
Scaphocephaly \Scaph`o*ceph"a*ly\, n. [Gr. ska`fh a boat +
kefalh` head.] (Anat.)
A deformed condition of the skull, in which the vault is
narrow, elongated, and more or less boat-shaped.
[1913 Webster]
WordNet (r) 3.0 (2006):
scaphocephaly
n 1: congenital malformation of the skull which is long and
narrow; frequently accompanied by mental retardation