carbuncle
ˈkɑːbʌŋk(ə)l
noun
a severe abscess or multiple boil in the skin, typically infected with staphylococcus bacteria.
boil,blister,sore,abscess,pustule,pimple,spot,wart,papule,wen,whitlow,canker,swelling,lump,growth,outgrowth,eruption,infection,inflammation,plook,vesication,furuncle