Oil'-nŭt, n.
n. (Bot.) A North American shrub (Pyrularia [or Hamiltonia] oleifera); buffalo-nut.
☞ The name is also applied to various nuts and seeds yielding oil, as the butternut, cocoa-nut, oil-palm-nut, and the like; also, sometimes, to the plants producing such seeds or nuts, as the castor-oil-plant, the oil-palm, and others.