n., pl., -lies.
Abnormal smallness of the head.
microcephalic mi'cro·ce·phal'ic (-sə-făl'ĭk) adj. & n.
microcephalous mi'cro·ceph'a·lous (-sĕf'ə-ləs) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
