A tropical American tree(Ochroma pyramidale) having wood that is soft, very light in weight, and that is used as a substitute for cork in insulation, floats, and crafts such as model airplanes.

• 西印度轻木一种美国热带树木（西印度轻木轻木属）木质软，重量轻，用作绝缘木塞、漂浮物和工艺品，如模型飞机等的代替物