carbuncle

noun4

1. •
   An abscess larger than a boil, usually with one or more openings draining pus onto the skin. It is usually caused by staphylococcal infection.
2. •
   An unpopular or ugly building; an eyesore.
3. •
   A charge or bearing supposed to represent the precious stone, with eight sceptres or staves radiating from a common centre; an escarbuncle.
4. •
   (no longer used) A deep-red or fiery colored garnet or other dark red precious stone, especially when cut cabochon.

   • With eyes like carbuncles, the hellish Pyrrhus […] — 1602