An abnormally large head

• Differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical

Wikipedia Word definitions in Wikipedia
Macrocephaly is a condition in which the head is abnormally large; this includes the scalp , the cranial bone, and the contents of the cranium.

WordNet Word definitions in WordNet
n. an abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical [syn: megacephaly , megalocephaly ]

Wiktionary Word definitions in Wiktionary
n. (context medicine English) A condition in which the head is abnormally large.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
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.