mustard tree

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. evergreen South American shrub naturalized in United States;
occasionally responsible for poisoning livestock
• Syn:
tree tobacco, Nicotiana glauca
• Hypernyms:
tobacco, tobacco plant
2. glabrous or pubescent evergreen shrub or tree of the genus Salvadora;
twigs are fibrous and in some parts of the world are bound together in clusters and used as a toothbrush;
shoots are used as camel fodder;
plant ash provides salt
• Syn:
toothbrush tree, Salvadora persica
• Hypernyms:
fruit tree
• Member Holonyms:
Salvadora, genus Salvadora