having the skull broad and the face narrow.
Origin of cryptozygous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Having a narrow face as compared with the width of the cranium, so that the zygomatic arches are not visible when the skull is viewed from above.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.