Source : Webster's Revised Unabridged Dictionary (1913)

Myxoedema \Myx`[oe]*de"ma\, n. [NL. fr. Gr. ? mucus + [oe]dema.]
   (Med.)
   A disease producing a peculiar cretinoid appearance of the
   face, slow speech, and dullness of intellect, and due to
   failure of the functions of the thyroid gland. --
   {Myx`[oe]*dem"a*tous}, a., {Myx`[oe]*dem"ic}, a.

Source : WordNet®

myxoedema
     n : hypothyroidism marked by dry skin and swellings around lips
         and nose as well as mental deterioration [syn: {myxedema}]