acephaly
[ā-sĕf′ə-lē, ə-sĕf′-]
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for acephaly
Historical Examples of acephaly
Such a monstrosity is known as Acephaly in modern nomenclature.