フルンケルふるんけるMeanings1nounfuruncle; boilMedical term for a deep skin infection around a hair follicle; equivalent to 'furuncle' or 'boil' in English.from German Furunkelフルンケルは、毛もう包ほうの深ふかい部ぶ分ぶんに生しょうじる感かん染せん症しょうです。A furuncle is an infection that occurs in the deep part of a hair follicle.