| 1. | Pharmacology. a colorless, crystalline poison, C2 1H2 2N2O2, obtained chiefly by extraction from the seeds of nux vomica, formerly used as a central nervous system stimulant. |
| 2. | an Indian tree, Strychnos nux-vomica, of the logania family, having small, yellowish-white flowers in clusters, berrylike fruit, and seeds that yield strychnine. |

strychnine strych·nine (strĭk'nīn', -nĭn, -nēn')
n.
An extremely poisonous white crystalline alkaloid used as a poison for rodents and formerly used topically as a central nervous system stimulant.
| strychnine (strĭk'nīn') Pronunciation Key
An extremely poisonous, white crystalline compound derived from the seeds of the nux vomica tree. Strychnine is an alkaloid and was formerly used in medicine to stimulate the nervous system. It is currently used as a rat poison. Chemical formula: C21H22O2N2. |