a variety of the common bean, Phaseolus vulgaris, having mottled or spotted seeds: grown chiefly in the southern U.S.
Origin of pinto bean
An Americanism dating back to 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a variety of kidney bean that has mottled seeds and is grown for food and fodder in the southwestern US
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012