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

macroglossia \mac`roglos"sia\, n. nl. see macro-, and
   glossa. med.
   enlargement or hypertrophy of the tongue.
   1913 webster
see also:
macro- glossa 

[2] : WordNet (r) 2.0

macroglossia
     n : a congenital disorder characterized by an abnormally large
         tongue; often seen in cases of down's syndrome

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