/ Dictionary / Index P plantain: Meaning and Definition of Find definitions for: plan•tain Pronunciation: (plan'tin, -tn), [key] — n. a tropical plant, Musa paradisiaca, of the banana family, resembling the banana. its fruit, eaten cooked as a staple food in tropical regions. plan•tain Pronunciation: (plan'tin, -tn), [key] — n. any plant of the genus Plantago, esp. P. major, a weed with large, spreading leaves close to the ground and long, slender spikes of small flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: plantain (Thesaurus) planta genista plantain-eater Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language