Oilnut n. (Bot.) The buffalo nut. See Buffalo nut, under Buffalo. Note: The name is also applied to various nuts and seeds yielding oil, as the butternut, cocoanut, oil-palm nut.
... boat," cried Susy, riding back and forth about the yard in great excitement; "why, it's just as easy as the swing in the oilnut-tree at grandma Parlin's! O, papa, to think I should forget ... — Little Prudy's Sister Susy • Sophie May