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nux vom·i·ca(nŭks vom'i-kă),
Poison nut or Quaker button, the seed of Strychnos nux-vomica (family Logeniaceae), a tree of tropical Asia; it contains two alkaloids, strychnine and brucine; it has been used as a bitter tonic and central nervous system stimulant.
[Mod. L. emetic nut, fr. L. nux, nut, + vomo, to vomit]
nux vomica(nŭks vŏm′ĭ-kə)
1. A tree (Strychnos nux-vomica) native to South and Southeast Asia, having poisonous seeds that are a source of the alkaloids strychnine and brucine.
2. The seeds of this tree or a preparation or extract made from them.
A homeopathic remedy formulated from the strychnine tree native to western Asia and Australia; it is used for colds, coughs, gastrointestinal complaints (including colic, cystitis, diarrhoea and indigestion), hangovers, headache with vertigo, haemorrhoids, hypersensitivity, irritability, laryngitis, menstrual cramping and dysfunction, morning sickness, nasal congestion, sinusitis, urinary frequency and vomiting.