| 1. | a blackish, resinlike substance derived from tropical plants of the genus Strychnos, esp. S. toxifera, and from the root of pareira, used by certain South American Indians for poisoning arrows and employed in physiological experiments, medicine, etc., for arresting the action of motor nerves. |
| 2. | a plant yielding this substance. |

curare cu·ra·re or cu·ra·ri (k&oobreve;-rä'rē, ky&oobreve;-)
n.
An extract obtained from several tropical American woody plants, especially Chondrodendron tomentosum, used as an arrow poison by some Indian peoples of South America.
A purified preparation or alkaloid obtained from Chondrodendron tomentosum, used to relax skeletal muscles.