カシオペヤ座ざカシオペヤざMeanings1nounCassiopeia (constellation); the Seated QueenastronomyAstronomy term for the constellation Cassiopeia, named after the queen in Greek mythology.秋あきの夜よ空ぞらにカシオペヤ座ざがよく見みえる。The constellation Cassiopeia is clearly visible in the autumn night sky.