Noun: megacephaly
- An abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical
"The child's megacephaly was monitored closely by her pediatrician";
- macrocephaly, megalocephaly
Derived forms: megacephalies
Type of: abnormalcy [US], abnormality
Encyclopedia: Megacephaly