Cayenne (noun)

1. A powder made from the dried and ground fruit of a variety of capsicum, used as a spice and as a stimulant.
2. A small, very hot red pepper used in cooking.

Origin:

From french guiana name for the pepper, from tupi kyynha.

Examples:

1. The dish was spiced with a pinch of cayenne to give it a little heat.
2. The cayenne peppers were dried in the sun before being ground into powder.
3. Cayenne is often used to make hot sauce.
4. The cayenne added a nice kick to the otherwise bland soup.
5. The cayenne pepper plant is a cultivar of Capsicum annuum and is related to bell peppers, jalapenos and paprikas.