1. of, pertaining to, or occurring in the evening: vespertine stillness.
2. Botany. opening or expanding in the evening, as certain flowers.
3. Zoology. appearing or flying in the early evening; crepuscular.
Example: The campers moved closer to the fire as a vespertine chill settled over the woods.
Origin: 1495–1505; < L vespertīnus, equiv. to vesper vesper + -tīnus adj. suffix