noun
Canis Major; the Greater Dog
Astronomical constellation name. Used in astronomy and casual stargazing contexts.
冬の夜空には、おおいぬ座がよく見える。
In the winter night sky, Canis Major is clearly visible.
From 大犬 (おおいぬ, 'large dog') + 座 (ざ, 'constellation'), a direct translation of Latin Canis Major.