a rubberlike gum produced from the latex of various SE Asian trees (esp. genera Palaquium and Payena) of the sapodilla family and used in electric insulation, dentistry, golf balls, etc.
See gutta-percha in American Heritage Dictionary 4
(gŭtˌə-pûrˈchə)
noun
A rubbery substance derived from the latex of any of several tropical trees of the genera Palaquium and Payena, used as an electrical insulator, as a waterproofing compound, and in golf balls.