名詞 balsa:

1. strong lightweight wood of the balsa tree used especially for floats
   同義詞：balsa wood
2. forest tree of lowland Central America having a strong very light wood; used for making floats and rafts and in crafts
   同義詞：Ochroma lagopus

bal.sa

n.（名詞）

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.
西印度輕木：一種美國熱帶樹木（西印度輕木 輕木屬） 木質(zhì)軟，重量輕，用作絕緣木塞、漂浮物和工藝品，如模型飛機(jī)等的代替物
The wood of this tree.Also called corkwood
輕木木材也作 corkwood
A raft consisting of a frame fastened to buoyant cylinders of wood or metal.
輕木筏：一種木筏，由綁在木頭或金屬浮桶上的框架組成

來源：
Spanish
西班牙語