こう イカの甲 LinksSentence search for イカの甲Sentence search for イカのこうSentence search for 烏賊の甲Sentence search for いかのこうKanji details for 甲Edit in JMdict Noun1. cuttleboneOther forms烏賊の甲 【いかのこう】 Discussions Log in to talk about this word.