こぶ たん瘤 LinksSentence search for たん瘤Sentence search for たんこぶSentence search for タンコブKanji details for 瘤Edit in JMdict Noun1. bump (e.g. on forehead); lump; protuberance; swellingColloquial, Usually written using kana alone, See also 瘤Other formsタンコブ Discussions Log in to talk about this word.