Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. having an abnormally large head

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to macrocephaly; having an unusually large head.
  • adj. Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to a large head; associated with excessive size of the head: as, macrocephalic idiocy.
  • In ancient prosody, having one syllable too many at the beginning: an epithet of dactylic hexameters the first foot of which apparently has a syllable in excess. Also procephalic. See dolichuric.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having an exceptionally large head and brain

Etymologies

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