D defs.my
Entry 1 sense Webster, 1913

Thebaine

· The·ba·ine · IPA
01 n. A poisonous alkaloid, C19H21NO3, found in opium in small quantities, having a sharp, astringent taste, and a tetanic action resembling that…
  1. 1.
    A poisonous alkaloid, C19H21NO3, found in opium in small quantities, having a sharp, astringent taste, and a tetanic action resembling that of strychnine.(Chem.)