Source : Webster's Revised Unabridged Dictionary (1913)

Hesperian \Hes*pe"ri*an\, a. [L. hesperius, fr. hesperus the
   evening star, Gr. ? evening, ? ? the evening star. Cf.
   {Vesper}.]
   Western; being in the west; occidental. [Poetic] --Milton.

Hesperian \Hes*pe"ri*an\, n.
   A native or an inhabitant of a western country. [Poetic] --J.
   Barlow.

Hesperian \Hes*pe"ri*an\, a. (Zo["o]l.)
   Of or pertaining to a family of butterflies called
   {Hesperid[ae]}, or skippers. -- n. Any one of the numerous
   species of {Hesperid[ae]}; a skipper.

Source : WordNet®

Hesperian
     adj : denoting or characteristic of countries of Europe and the
           Western Hemisphere; "occidental civilization";
           "Hesperian culture" [syn: {occidental}]