歳差運動 さいさうんどう Meanings Noun (motion of) precession of the equinoxes See also: 歳差 (さいさ). precession Kanji 歳 age. Read as サイ. 差 gap 運 carry. Read as ウン. 動 move. Read as ドウ. Word lists Astronomy Jinuma: Japanese Dictionary · Word lists