GREASE n.
An inflammation of a horse's heels, suspending the ordinary greasy secretion of the part, and producing dryness and scurfiness, followed by cracks, ulceration, and fungous excrescences. Grease bush. (Bot.) Same as Grease wood (below). -- Grease moth (Zoöl.), a pyralid moth (Aglossa pinguinalis) whose larva eats greasy…
GUM n.
A vegetable secretion of many trees or plants that hardens when it exudes, but is soluble in water; as, gum arabic; gum tragacanth; the gum of the cherry tree. Also, with less propriety, exudations that are not soluble in water; as, gum copal and gum sandarac, which are really resins.