yealm

— After the leaves had been removed, as many turnips were thrown together as would lie upon a circle four yards in diameter: yealms of wheat-straw were made, similar to such as are used for thatching, but longer, thicker, and formed with less precision: four tall stakes were then driven into the earth, each a yard from the heap, so as to form a square, each side of which would measure six yards. Two courses of yealms were next placed on the earth, so as to enclose the quadrangle indicated by the stakes; […]

— MAYNARD, Robert, engineer,[…]—"Improvements in portable chaff-cutting machinery." Apparatus for straightening or "yealming" the straw, and additional means for bringing the straw forward to the knives.