
1) Occidental 2) Western
Found on
https://www.crosswordclues.com/clue/hesperian

The Hesperian is a geologic system and time period on the planet Mars characterized by widespread volcanic activity and catastrophic flooding that carved immense outflow channels across the surface. The Hesperian is an intermediate and transitional period of Martian history. During the Hesperian, Mars changed from the wetter and perhaps warmer wor...
Found on
http://en.wikipedia.org/wiki/Hesperian

• (a.) Western; being in the west; occidental. • (a.) Of or pertaining to a family of butterflies called Hesperidae, or skippers. • (n.) A native or an inhabitant of a western country. • (n.) Any one of the numerous species of Hesperidae; a skipper.
Found on
http://thinkexist.com/dictionary/meaning/hesperian/
Hes·pe'ri·an adjective [ Latin
hesperius , from
hesperus the evening star, Greek ... evening, ... ... the evening star. Confer
Vesper .] Western; being in the west; occidental. [ Poetic]
Milton. Found on
http://www.encyclo.co.uk/webster/H/39

Hesperian Denoting or characteristic of countries of Europe and the Western Hemisphere; 'occidental civilization'; 'Hesperian culture'.
Found on
http://www.wordinfo.info/words/index/info/view_unit/982/
No exact match found.