Medical Definition of curare
: a dried aqueous extract especially of a vine (as Strychnos toxifera of the family Loganiaceae or Chondodendron tomentosum of the family Menispermaceae) that produces muscle relaxation and is used in arrow poisons by South American Indians—compare tubocurarine
Seen and Heard
What made you want to look up curare? Please tell us where you read or heard it (including the quote, if possible).