ひゃくえんだま １００円玉 LinksSentence search for １００円玉Sentence search for ひゃくえんだまSentence search for 百円玉Sentence search for 一〇〇円玉Kanji details for 円 and 玉Edit in JMdict Noun1. 100 yen coinOther forms百円玉 【ひゃくえんだま】、一〇〇円玉 【ひゃくえんだま】 Discussions Log in to talk about this word.