/ Dictionary / Index S sweet pea: Meaning and Definition of Find definitions for: sweet' pea" Pronunciation: [key] a climbing plant, Lathyrus odoratus, of the legume family, having sweet-scented flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sweetpea (Thesaurus) sweet orange sweet pepper Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language