Answer:

curare

AnswerCrossword Clue
CURAREArrow poison
CURAREMuscle relaxant
CURAREParalyzing poison
CURAREArrow poison used in some mysteries
CURAREArrow poison that's also a muscle relaxant
CURAREResinous substance used as an arrow poison
CURARESouth American killer
CURAREPoison used in treating tetanus.
CURAREPoison, used in medicine.
CURAREPoison or remedy.
CURAREPlant yielding a poison.
CURAREArrow poison.
CURAREMedicinal plant.
CURAREParalytic poison
CURAREBlowgun dart poison
CURAREInee
CURAREMurder mystery poison