齢 れい Meanings Noun instar (developmental stage of arthropods) age; years See also: 齢 (よわい). Kanji 齢 age. Read as レイ. Words containing 齢 年齢 (ねんれい) age 高齢者 (こうれいしゃ) old person 高齢 (こうれい) advanced age And 99 more. Jinuma: Japanese Dictionary · Word lists