[1] : The Collaborative International Dictionary of English v.0.48

hesperian \hespe"rian\, a. l. hesperius, fr. hesperus the
   evening star, gr. ? evening, ? ? the evening star. cf.
   vesper.
   western; being in the west; occidental. poetic --milton.
   1913 webster
see also:
vesper 

[2] : The Collaborative International Dictionary of English v.0.48

hesperian \hespe"rian\, n.
   a native or an inhabitant of a western country. poetic --j.
   barlow.
   1913 webster

[3] : The Collaborative International Dictionary of English v.0.48

hesperian \hespe"rian\, a. zool.
   of or pertaining to a family of butterflies called
   hesperidae, or skippers. -- n. any one of the numerous
   species of hesperidae; a skipper.
   1913 webster
see also:
hesperidae hesperidae 

[4] : WordNet (r) 2.0

hesperian
     adj : denoting or characteristic of countries of europe and the
           western hemisphere; "occidental civilization";
           "hesperian culture" syn: occidental
see also:
occidental 

Hesperian >> H Words
Hesperian, definition of term: Hesperian
hesperian_pag1.html