milkbush

noun

Definition of milkbush 

1 : an Australian shrub (Wrightia saligna) of the family Apocynaceae

2 : a southern African spurge (Euphorbia tirucalli) that resembles a cactus and has milky juice which is used locally to treat syphilis

3 West Indies : a shrub (Rauwolfia tetraphylla) with milky juice

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