Search Result for "polydipsia": 
Wordnet 3.0

NOUN (1)

1. excessive thirst (as in cases of diabetes or kidney dysfunction); 



The Collaborative International Dictionary of English v.0.48:

Polydipsia \Pol`y*dip"si*a\, n. [NL., fr. Gr. poly`s much + ?
   thirst.] (Med.)
   Excessive and constant thirst occasioned by disease.
   [1913 Webster]


WordNet (r) 3.0 (2006):

polydipsia
    n 1: excessive thirst (as in cases of diabetes or kidney
         dysfunction)