The Collaborative International Dictionary
Par'a rubber
Par'a rubber \Par['a] rubber\ The caoutchouc obtained from the South American euphorbiaceous tree Hevea brasiliensis, hence called the Par['a] rubber tree, from the Brazilian river and seaport named Par['a]; 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.