From Longman Dictionary of Contemporary Englishmorning starˌmorning ˈstar noun [singular] HAa bright planet, usually Venus, that you can see in the eastern sky when the sun rises
Examples from the Corpus
morning star• The stars were leaving the sky; even the lingering morning star was dim.• Venus and Jupiter, year in and year out, Contend for the crown Of morning star and of evening star.• Or maybe something like the morning star that still hung in the dawning sky.• The planet they call the evening star, the morning star.• The Enlightenment was the morning star of modernity.• The morning star has withdrawn behind the curtain of light to wait for its chance to shine again tomorrow.Morning Star, TheThe Morning StarMorning Star, The a left-wing British daily newspaper which used to be the newspaper of the British Communist Party 