nux vomica noun phr. [nʌks 'vɒmɪkǝ] LME.
[medieval Latin, lit. 'emetic nut', from Latin nux nut + adjective from vomere to vomit.]
The highly poisonous seeds of the tree Strychnos nux-vomica (family Loganiaceae), used as a major source of strychnine and in homoeopathic remedies; this tree, a native of southern Asia.

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