一心同体 いっしんどうたい Meanings Noun being one in body and soul; of one flesh; two hearts beating as one Kanji 一 one. Read as イチ. 心 heart. Read as シン. 同 same. Read as ドウ. 体 body. Read as タイ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists