TUPELO n.
iant, glossy foliage and acid red berries. The wood is crossgrained and very difficult to split. Called also black gum, sour gum, and pepperidge. Largo tupelo, or Tupelo gum (Bot.), an American tree (Nyssa uniflora) with softer wood than the tupelo. -- Sour tupelo (Bot.), the Ogeechee lime.
WEDGE n.
other hard material, thick at one end, and tapering to a thin edge at the other, used in splitting wood, rocks, etc., in raising heavy bodies, and the like. It is one of the six elementary machines called the mechanical powers. See Illust. of Mechanical powers, under Mechanical.