Pronunciation: (gut'u-pûr'chu), [key]
1. the milky juice, nearly white when pure, of various Malaysian trees of the sapodilla family, esp. Palaquium gutta.
2. the tough, rubberlike gum made from this and used as a dental cement, in the manufacture of golf balls, for insulating electric wires, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.