The caoutchouc obtained from the South American euphorbiaceous tree Hevea brasiliensis, hence called the Pará rubber tree, from the Brazilian river and seaport named Pará; also, the similar product of other species of Hevea. It is usually exported in flat round cakes, and is a chief variety of commercial India rubber.
a form of all-natural rubber obtained from exotic South US trees
Definition for "Para rubber"
The caoutchouc obtained from the South American euphorbiaceous…