DICT.TW Dictionary Taiwan

 cot·ton·wood /-ˌwʊd/
 白楊的一種

 Cot·ton·wood n. Bot. An American tree of the genus Populus or poplar, having the seeds covered with abundant cottonlike hairs; esp., the Populus monilifera and Populus angustifolia of the Western United States.
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 cottonwood
      n 1: any of several North American trees of the genus Populus
           having a tuft of cottony hairs on the seed
      2: American basswood of the Allegheny region [syn: white
         basswood, Tilia heterophylla]