Vocabulary What does 連隊 (れんたい, rentai) mean? 連隊 (れんたい, rentai) means regiment. Quick factsReadingれんたいRomajirentaiPart of speechnoun 連隊れんたいrentairegiment1noun regimentAlso written: 聯隊Kanji in this word連connection, link; accompany隊squad, team, group