Of, relating to, or occurring in the evening.(adjective)
Botany Opening or blooming in the evening.(adjective)
Zoology Becoming active in the evening, as bats and owls; crepuscular.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "vespertine" in a sentence
"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!"