ぎぼしむし 擬宝珠虫 LinksSentence search for 擬宝珠虫Sentence search for ぎぼしむしSentence search for ギボシムシKanji details for 擬, 宝, 珠 and 虫Edit in JMdict Noun1. acorn worm (any hemichordate of class Enteropneusta)Usually written using kana aloneOther formsギボシムシ Discussions Log in to talk about this word.