from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Of, relating to, or occurring in the evening.
- adjective Botany Opening or blooming in the evening.
- adjective Zoology Active in the evening.
from The Century Dictionary.
- 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.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Of or pertaining to the evening; happening or being in the evening.
- adjective (Bot.) Blossoming in the evening.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective poetic Occurring in or related to the
- adjective zoology Pertaining to
animalswhich are principally active at dusk.
- adjective botany Pertaining to
plantswhich open or bloomin the evening.
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
The Halictidae is one of the four bee families that contains some species that are crepuscular; these halictids are active only at dusk or in the early evening, and therefore technically considered "vespertine".
I cringed away from the man, from the way he looked at me—now patiently, as if encouraging a slow learner; now furiously; now with a pregnant, vespertine calm.
Sheols of houris in chems upon divans, (revolted stellas vespertine vesamong them) at a bare (O!) mention of the scaly rybald exclaimed: Poisse!
Entires armies were destroyed as they rested, for the evening was when the vespertine enemy was most cruel.
Whether they are matinal or vespertine, crepuscular animals are responding primarily to selection pressure.
I bought 5 new cds since last entry - Bjork's vespertine, Jamiroquai's Funk Oddyssey, Ben Folds Suburbs, Orbitals 'Altogether and the new Stereolab.
Also as admirably corrective of  chronic constipation through general intestinal sluggishness, a vespertine slice of good, old-fashioned Gingerbread made with brown treacle and grated ginger may be eaten with zest, and reliance.
Odors from strong bacon and boiling coffee contended against the cut-plug fumes from the vespertine pipe.
Up Broadway Chandler moved with the vespertine dress parade.
 While this book is passing through the press (April 30th, 1885) I am privileged with another sight and sound of the woodcock's vespertine performance, and under peculiarly favorable conditions.