九つ ここのつ Also written 9つ Meanings Number nine Noun nine years of age twelve o'clock (old time system) Kanji 九 nine. Read as ここのつ. Words containing 九つ 九つ時 (ここのつどき) (approx.) twelve o'clock (am or pm, old time system) Word lists JLPT N5 Jinuma: Japanese Dictionary · Word lists