[1] : The Collaborative International Dictionary of English v.0.48

macrocephalic \mac`rocephal"ic\, macrocephalous
\mac`roceph"alous\, a. macro + gr. kefalh` the head.
   1. of or pertaining to macrocephaly; having an unusually
      large head.
      1913 webster

   2. bot. having the cotyledons of a dicotyledonous embryo
      confluent, and forming a large mass compared with the rest
      of the body. --henslow.
      1913 webster

[2] : WordNet (r) 2.0

macrocephalic
     adj : having an exceptionally large head and brain syn: macrocephalous
see also:
macrocephalous 

Macrocephalic >> M Words
Macrocephalic, definition of term: Macrocephalic
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