部ぶ分ぶん月げっ食しょくMeanings1nounpartial lunar eclipseastronomyAstronomical term for a lunar eclipse where only part of the Moon enters Earth's umbra.今こん夜やは部ぶ分ぶん月げっ食しょくが見みられるそうです。I heard that a partial lunar eclipse can be seen tonight.