上弦 じょうげん Meanings Noun first quarter moon; waxing half-moon See also: 下弦 (かげん). Kanji 上 up. Read as ジョウ. 弦 string. Read as ゲン. Words containing 上弦 上弦の月 (じょうげんのつき) first quarter moon Jinuma: Japanese Dictionary · Word lists