/ Dictionary / Index P pinto bean: Meaning and Definition of Find definitions for: pin'to bean" Pronunciation: [key] a variety of the common bean, Phaseolus vulgaris, having mottled or spotted seeds: grown chiefly in the southern U.S. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pinto Pintsch gas Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language