Relating to, occurring, or active in the evening. The vespertine glow of the sunset painted the sky in shades of orange and pink.
Active, flowering, or flying in the evening or at dusk (used of plants or animals). Several vespertine moths could be seen flitting around the garden as twilight deepened.
(Astronomy) Rising or visible in the evening sky after sunset, especially of a planet. Venus is the most conspicuous vespertine planet, shining brightly just after sundown.