一限 いちげん Also written 1限 Meanings Noun first period (e.g. first class in school day) See also: 一限目 (いちげんめ). Kanji 一 one. Read as イチ. 限 limit. Read as ゲン. Words containing 一限 一限目 (いちげんめ) first period (e.g. first class in school day) Jinuma: Japanese Dictionary · Word lists