Search Result for "megacephaly": 
Wordnet 3.0

NOUN (1)

1. an abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical;
[syn: macrocephaly, megacephaly, megalocephaly]


The Collaborative International Dictionary of English v.0.48:

Megalocephalia \Meg`a*lo*ce*pha"li*a\, Megalocephaly \Meg`a*lo*ceph"a*ly\, n. [NL. megalocephalia, fr. Gr. ? having a large head.] (Med.) The condition of having an abnormally large head; called also megacephaly. -- Meg`a*lo*ce*phal"ic, a. [Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):

megacephaly n 1: an abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical [syn: macrocephaly, megacephaly, megalocephaly]