The evening star; Hesper; Venus, when seen after sunset; hence, the evening.

Of or pertaining to the evening, or to the service of vespers; as, a vesper hymn; vesper bells.

referring to the evening - also western ("vespertillus" "vesperinus")

Vesper (Raani Jatwinder) is a fictional character, a mutant in the Marvel Comics Universe. Her first appearance was in Genetix #1.

The Vesper Martini is a cocktail that was originally made of gin, vodka, and Kina Lillet