sea ash

Từ điển WordNet v3.1 - WordNet Dictionary

noun

small deciduous aromatic shrub (or tree) having spiny branches and yellowish flowers;
eastern North America
• Syn:
toothache tree, Zanthoxylum americanum, Zanthoxylum fraxineum
• Hypernyms:
prickly ash
• Member Holonyms:
Zanthoxylum, genus Zanthoxylum