こぶこぶ○Common wordJLPTN1Freq.FrequencyTop 20,000Meanings1nounbump; lump; swellingusually written using kana aloneRefers to a raised bump or swelling on a surface, often on the body or on an object like a tree trunk.転ころんで、おでこにこぶができた。I fell and got a bump on my forehead.
