cayenne : Idioms & Phrases

• noun commonly cultivated Old World woody herb having large pinkish to red flowers
  rose periwinkle; old maid; Madagascar periwinkle; periwinkle; red periwinkle; Cape periwinkle; Catharanthus roseus; Vinca rosea.
  

WordNet

• noun plant bearing very hot and finely tapering long peppers; usually red
  jalapeno; long pepper; cayenne; Capsicum annuum longum; chilli pepper; chili pepper.
  
• noun ground pods and seeds of pungent red peppers of the genus Capsicum
  cayenne; red pepper.
  
• noun a long and often twisted hot red pepper
  cayenne.
  

WordNet

• . (a) (Bot.) A species of capsicum (C. frutescens) with small and intensely pungent fruit. (b) A very pungent spice made by drying and grinding the fruits or seeds of several species of the genus Capsicum, esp. C. annuum and C. Frutescens; Called also red pepper. It is used chiefly as a condiment.

Webster 1913