India-rubber tree Meaning, Definition & Usage

  1. noun large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber
    Ficus elastica; rubber plant; India-rubber fig; India-rubber plant; Assam rubber.

WordNet

Definitions
  1. (Bot.), any tree yielding caoutchouc, but especially the East Indian Ficus elastica, often cultivated for its large, shining, elliptical leaves.

Webster 1913