Dictionary.net

• wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America

2006 - WordNet 3.0
By Princeton University

• wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America

2011 - English Dictionary Database
By DataStellar Co., Ltd