BRACHYCEPHALIC
brachycephalic, brachycranial, brachycranic
(adjective) having a short broad head with a cephalic index of over 80
brachycephalic
(noun) an adult with a short broad head
Source: WordNet® 3.1
Etymology
Adjective
brachycephalic (comparative more brachycephalic, superlative most brachycephalic)
(of a person or animal) Having a head that is short from front to back (relative to its width from left to right).
Noun
brachycephalic (plural brachycephalics)
A brachycephalic person or creature.
Source: Wiktionary
Brach`y*ce*phal"ic, Brach`y*ceph"a*lous, a. Etym: [Gr. (Anat.)
Definition: Having the skull short in proportion to its breadth;
shortheaded; -- in distinction from dolichocephalic.
Source: Webster’s Unabridged Dictionary 1913 Edition