Source : Webster's Revised Unabridged Dictionary (1913)

Sudamina \Su*dam"i*na\, n. pl, sing. {Sudamen}. [NL. sudamen,
   -inis, fr. sudare to sweat. See {Sweat}.] (Med.)
   Minute vesicles surrounded by an area of reddened skin,
   produced by excessive sweating.