蒙もう古こ斑はんMeaningsNoun1. Mongolian spot; Mongolian blue spot; congenital dermal melanocytosisKanji used蒙ignorance古old斑spotPitch accentもうこはんComposed of蒙もう古こMongolia (region); Greater Mongolia; Mongolian PlateauNoun斑はんspots; speckles; mottlesNoun