macrocephalous
mac·ro·cep·halous
adjective
1.
having an exceptionally large head and brain
Origin
From macro- + -cephalous.
Related words
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.