Definition of megacephalic in English:

megacephalic

Pronunciation /ˌmɛɡəsɪˈfalɪk/ /ˌmɛɡəkɛˈfalɪk/

adjective

Anthropology
  • Macrocephalic.

Origin

Late 19th century; earliest use found in William Flower (1831–1899), zoologist and museum curator. From mega- + -cephalic.