mac·ro·ceph·a·ly (māk'rō-sěf'ə-lē) n. Abnormal largeness of the head. Also called megacephaly, megalocephaly. mac'ro·ce·phal'ic (-sə-fāl'ĭk), mac'ro·ceph'a·lous adj.
meg·a·ceph·a·ly (měg'ə-sěf'ə-lē) n.
pl.meg·a·ceph·a·lies See macrocephaly. meg'a·ce·phal'ic (-sə-fāl'ĭk), meg'a·ceph'a·lous (-sěf'ə-lěs) adj.
Main Entry: mega·ce·phal·ic Pronunciation: "meg-&-s&-'fal-ik Function: adjective : large-headed; specifically: having a cranial capacity in excess of the mean —mega·ceph·a·ly/-'sef-&-lE/nounplural-lies