さいじ ゼロ歳児 LinksSentence search for ゼロ歳児Sentence search for ゼロさいじSentence search for 0歳児Sentence search for 零歳児Sentence search for れいさいじKanji details for 歳 and 児Edit in JMdict Noun1. child under a year oldOther forms0歳児 【ゼロさいじ】、零歳児 【ゼロさいじ】、0歳児 【れいさいじ】、零歳児 【れいさいじ】 Discussions Log in to talk about this word.