What is "gold sore"

Sore \Sore\, n. [OE. sor, sar, AS. s[=a]r. See Sore, a.]

1. A place in an animal body where the skin and flesh are ruptured or bruised, so as to be tender or painful; a painful or diseased place, such as an ulcer or a boil.

   The dogs came and licked his sores.
   --Luke xvi. 21.

2. Fig.: Grief; affliction; trouble; difficulty.
   --Chaucer.

   I see plainly where his sore lies.
   --Sir W. Scott.

   Gold sore. (Med.) See under Gold, n.