Vocabulary What does 軍団 (ぐんだん, gundan) mean? 軍団 (ぐんだん, gundan) means army corps; corps. Quick factsReadingぐんだんRomajigundanPart of speechnoun 軍団ぐんだんgundanarmy corps; corps1noun army corps; corpsKanji in this word軍army, military団group, corps