pinta /ˈpaɪnt.ə/noun 1/ˈpɪn.tə/ noun 2forms 1 noun1 •(UK, informal) A pint of milk. pinta /ˈpɪn.tə/ noun2 •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. •(slang) prison formspintas