macrocephalous Meaning, Definition & Usage

  1. adjective having an exceptionally large head and brain
    macrocephalic.

WordNet

Mac`ro*ceph"a*lous adjective
Etymology
Macro + Gr. kefalh` the head.
Definitions
  1. Having a large head.
  2. (Bot.) Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body. Henslow.

Webster 1913