こい 鯉のぼり LinksSentence search for 鯉のぼりSentence search for こいのぼりSentence search for 鯉幟Kanji details for 鯉Edit in JMdict Noun1. koinobori; carp streamer; carp-shaped windsock traditionally flown to celebrate the Children's Day in MaySee also こどもの日Other forms鯉幟 【こいのぼり】 Discussions Log in to talk about this word.