Source : Webster's Revised Unabridged Dictionary (1913)

Sudation \Su*da"tion\, n. [L. sudatio, fr. sudare to sweat: cf.
   F. sudation.]
   A sweating. [Obs.]

Source : WordNet®

sudation
     n : the process of the sweat glands of the skin secreting a
         salty fluid; "perspiration is a homeostatic process"
         [syn: {perspiration}, {sweating}, {diaphoresis}, {hidrosis}]