Also bik, bish. [Hindī, Nepāli, bikh, Bengālī, bish poison:—Skr. visha poison.] The poison of various species of Aconite, esp. Aconitum ferox; also the root or plant yielding it.
1830. Lindley, Introd. Bot., 7. The root of the Aconitum of India, one of the substances called Bikh, or Bish, is a most virulent poison.
1833. Penny Cycl., I. 88/1. The dreadful Bikh or Bish of Nepaul, the Aconitum ferox.
(The same name is given by the natives to the effect of the rarefied atmosphere at great heights in the Himālaya, which they attribute to poisonous exhalation from the ground or from plants.)
