/ Dictionary / Index P potato vine: Meaning and Definition of Find definitions for: pota'to vine" Pronunciation: [key] a tender, woody Brazilian vine, Solanum jasminoides, of the nightshade family, having starlike, blue-tinged white flowers in clusters, grown as an ornamental. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. potato tuberworm potato worm Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language