鍵っ子 かぎっこ Meanings Noun latchkey child; latchkey kid Kanji 鍵 key. Read as かぎ. 子 child. Read as こ. Example sentences 6歳ぐらいから鍵っ子生活だったんだから。From about age 6, I led the life of a latchkey kid. Jinuma: Japanese Dictionary · Word lists