限げん目めMeanings1counternth periodCounter used for numbered periods in a school timetable, e.g. 1限目 (first period), 2限目 (second period).1限げん目めは数すう学がくの授じゅ業ぎょうです。First period is math class.今日きょうの3限げん目めは休きゅう講こうになった。Third period was canceled today.