A bundle of wheat is a collection of wheat stalks that have been tied together. A sheave is a bundle of grain stalks, such as wheat, that have been cut and bound together. A SHEAF is a bundle of grain stalks, such as wheat, that have been cut and stacked together. A BALE is a large bundle of hay, straw, or other material, such as wheat, that has been tightly bound together. Threshing is the process of separating the edible parts of a grain, such as wheat, from the inedible parts by beating or rubbing it.