1. the sun, especially when considered as a source of light during the day
Usage: literary or poetic; archaic or elevated
2. the planet Venus when visible in the morning sky before sunrise
Usage: also called morning star; archaic or poetic

Examples

• The daystar rose above the horizon, casting golden light across the fields.
• Poets have long celebrated the daystar as a symbol of hope and renewal.
• The bright daystar appeared in the eastern sky just before dawn.
• Ancient astronomers tracked the movement of the daystar across the heavens.
• As the daystar climbed higher, the morning chill began to fade.