Definition of pinta:
(n) :
(British, colloquial) A pint of milk.
(n) :
A human skin disease endemic to Mexico, Central America, and South America, caused by infection with a spirochete, Treponema pallidum carateum, which is morphologically and serologically indistinguishable from the organism that causes syphilis.
(n) :
(Chicano, slang) prison
(n) :
An island in Ecuador, one of the Galapagos Islands.