pin·ta 
(pĭntə, pēntä)
(pĭntə, pēntä)n.
A contagious skin disease prevalent in tropical America, caused by a spirochete (Treponema carateum) and marked by extreme thickening and spotty discoloration of the skin.
[Spanish, painted mark, colored spot, from Vulgar Latin *pīncta; see PINT.]