red pepper

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The ripe red fruit of a bell pepper.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A red colored, ripe, bell or sweet pepper. Unripe peppers of this variety are colored green and edible but not as sweet.
• noun US Spicy peppers.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun very hot red peppers; usually long and thin; some very small
• noun ground pods and seeds of pungent red peppers of the genus Capsicum