Source : Webster's Revised Unabridged Dictionary (1913)

Papilloma \Pap`il*lo"ma\, n.; pl. {Papillomata}. [NL. See
   {Papilla}, and {-Oma}.] (Med.)
   A tumor formed by hypertrophy of the papill[ae] of the skin
   or mucous membrane, as a corn or a wart. --Quain.

Source : WordNet®

papilloma
     n : a benign epithelial tumor forming a rounded mass [syn: {villoma},
          {papillary tumor}, {papillary tumour}]
     [also: {papillomata} (pl)]