Mustard Tree
Definition of Mustard Tree
- 1. Evergreen South American shrub naturalized in United States; occasionally responsible for poisoning livestock Noun
- 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 Noun