Save Type Surname Usage Japanese Scripts 若槻(Japanese Kanji) Pronounced Pron. /ɰᵝa̠.ka̠.t͡sɨᵝ.kʲi/ [key·simplify] Meaning & History Combination of the kanji 若 (waka, "young") and 槻 (tsuki, "Zelkova tree"). A famous bearer of this surname was Japanese Prime Minister Wakatsuki Reijirō (若槻 禮次郎; 1866–1949).