the morning star
noun/ðə ˌmɔːnɪŋ ˈstɑː(r)/
/ðə ˌmɔːrnɪŋ ˈstɑːr/
[singular]- the planet Venus, when it shines in the east before the sun rises
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the morning star
Definition of the morning star noun from the Oxford Advanced Learner's Dictionary