pussy willow

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. small willow of eastern North America having greyish leaves and silky catkins that come before the leaves (Freq. 1)
• Syn:
Salix discolor
• Hypernyms:
willow, willow tree
• Member Holonyms:
Salix, genus Salix
2. much-branched Old World willow having large catkins and relatively large broad leaves
• Syn:
goat willow, florist's willow, Salix caprea
• Hypernyms:
sallow
• Member Holonyms:
Salix, genus Salix