Cottonwood

['kɒt(ə)nwʊd] or ['kɑtnwʊd]

解释:

(noun.) any of several North American trees of the genus Populus having a tuft of cottony hairs on the seed.

贾尼斯编辑--From WordNet

解释:

(n.) An American tree of the genus Populus or poplar, having the seeds covered with abundant cottonlike hairs; esp., the P. monilifera and P. angustifolia of the Western United States.

凯思琳校对