/ Dictionary / Index R red larkspur: Meaning and Definition of Find definitions for: red' lark'spur Pronunciation: [key] a plant, Delphinium nudicaule, of the buttercup family, native to the western coast of the U.S., having orange-red or sometimes yellow flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Redlands red lead Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language