cottonwood

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. any of several North American trees of the genus Populus having a tuft of cottony hairs on the seed
• Hypernyms:
poplar, poplar tree
• Hyponyms:
Eastern cottonwood, necklace poplar, Populus deltoides, black cottonwood, Western balsam poplar,
Populus trichocarpa, swamp cottonwood, downy poplar, swamp poplar, Populus heterophylla
2. American basswood of the Allegheny region
• Syn:
white basswood, Tilia heterophylla
• Hypernyms:
linden, linden tree, basswood, lime, lime tree