とうやこ 洞爺湖サミット LinksSentence search for 洞爺湖サミットSentence search for とうやこサミットKanji details for 洞, 爺 and 湖Edit in JMdict Noun1. G8 Hokkaido Toyako Summit; Hokkaido Toyako G8 summit Discussions Log in to talk about this word.