from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, relating to, or occurring in the evening.
- adj. Botany Opening or blooming in the evening.
- adj. Zoology Becoming active in the evening, as bats and owls; crepuscular.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Occurring in or related to the evening.
- adj. Pertaining to animals which are principally active at dusk.
- adj. Pertaining to plants which open or bloom in the evening.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to the evening; happening or being in the evening.
- adj. Blossoming in the evening.
from The Century Dictionary and Cyclopedia
- In astrology, setting after the sun: said of a planet.
- Of or pertaining to the evening; happening or being in the evening.
- In botany, opening in the evening, as a flower.
- [capitalized] In geology, noting one of Prof. H. D. Rogers's divisions of the Paleozoic series in Pennsylvania.
- In zoology, crepuscular; flying or otherwise specially active in the twilight of evening, as an insect, a bat, or a bird: as, the vespertine or evening grosbeak, Hesperiphona vespertina.
- In astronomy, descending from the meridian to the horizon at the time of sunset.
Latin vespertīnus, from vesper, evening; see vesper.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin vespertīnus (Wiktionary)