The Collaborative International Dictionary
Macrencephalous
Macrencephalic \Mac`ren*ce*phal"ic\, Macrencephalous \Mac`ren*ceph"a*lous\, a. [Macro + encephalic, encephalous.] Of or pertaining to macrencephaly; having a large brain.
Wiktionary
macrencephalous
a. macrencephalic
WordNet
macrencephalous
adj. having a large brain case [syn: macrencephalic]