/ Dictionary / Index S Spanish oyster plant: Meaning and Definition of Find definitions for: Span'ish oys'ter plant" Pronunciation: [key] a composite plant, Scolymus hispanicus, of southern Europe, having spiny, thistlelike leaf margins, small yellow flowers, and an edible root. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Spanish onion Spanish paprika Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language