Definitions for "macrocephaly"
THe condition of having an unusually large head; it differs from hydrocephalus because there is no increase intracranial pressure and the overgrowth is symmetrical.
large head for which the cause may be unknown. It is not the same as fluid on the brain, which is typically called hydrocephaly and may require a shunt.
abnormally large size of head. This maybe normal for the child's condition or an indicator or problems with brain development.