/ Dictionary / Index R red pepper: Meaning and Definition of Find definitions for: red' pep'per Pronunciation: [key] cayenne. a pepper, Capsicum annuum longum, cultivated in many varieties, the yellow or red pods of which are used for flavoring, sauces, etc. the mild, ripe fruit of the sweet pepper, Capsicum annuum grossum, used as a vegetable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. red-pencil red pine Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language