[1] : The Collaborative International Dictionary of English v.0.48

macrocephaly \macrocephaly\ n.
   the condition of having an unusually large head; it differs
   from hydrocephalus because there is no increase
   intracranial pressure and the overgrowth is symmetrical.

   syn: megacephaly, megalocephaly.
        wordnet 1.5
see also:
hydrocephalus 

[2] : WordNet (r) 2.0

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

Macrocephaly >> M Words
Macrocephaly, definition of term: Macrocephaly
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