a wheat, as durum wheat, characterized by flinty, dark-colored kernels that yield a flour used in making bread, macaroni, etc.
Origin of hard wheat
First recorded in 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a type of wheat with hard kernels, yielding a strong flour and used for bread, macaroni, etc
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