ˌ ̷ ̷ ̷ ̷+ˈsefələs noun
also hy·dro·ceph·a·ly -lē
( -es )
Etymology: hydrocephalus from Late Latin, hydrocephalus, hydrocephalous, from Greek hydrokephalos characterized by hydrocephalus, from hydr- + -kephalos -cephalous; hydrocephaly probably from French hydrocéphalie, from hydrocéphale hydrocephalous (from Late Latin hydrocephalus ) + -ie -y
1. : an abnormal increase in the amount of cerebrospinal fluid within the cranial cavity, with expansion of the cerebral ventricles, enlargement of the skull especially the forehead, and atrophy of the brain
2. : a condition resulting from or an individual affected with such an increase in the cerebrospinal fluid