/ Dictionary / Index Y yellow puccoon: Meaning and Definition of Find definitions for: yel'low puccoon' Pronunciation: [key] a plant, Lithospermum incisum, of central and western North America, having numerous branches and fringed yellow flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yellow prussiate of potash yellow rain Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language