虎ノ門事件 とらのもんじけん Also written 虎の門事件 Meanings Noun Toranomon Incident (assassination attempt on Prince Regent Hirohito; December 27, 1923) Kanji 虎 tiger. Read as とら. 門 gate. Read as モン. 事 matter 件 case. Read as ケン. Jinuma: Japanese Dictionary · Word lists