Microcephalous

2 definitions found

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

  Microcephalic \Mi`cro*ce*phal"ic\, Microcephalous
  \Mi`cro*ceph"a*lous\, a. [Micro- + cephalic, cephalous.] (Anat.)
     Having a small head; having the cranial cavity small; --
     opposed to {megacephalic}.
     [1913 Webster] microchemical



From WordNet (r) 2.0 [wn]:

  microcephalous
       adj : having an abnormally small head and underdeveloped brain; "a
             nanocephalic dwarf" [syn: {microcephalic}, {nanocephalic}]