small grain
/ˈsmɔːl ɡreɪn/Agriculture. Now chiefly North American
noun
As a mass noun: cereals having a small grain head, such as wheat, barley, oats, etc., especially (in later use) in contrast to larger row crops such as maize. Also (as a count noun): a type of such cereal.
adjective
Of or relating to small grain; suitable for or planted with small grain.
Origin
Mid 17th century. From small + grain.