sidereal: Word of the Day
sidereal: pertaining to stars, constellations<img src="http://feedproxy.google.com/~r/DictionarycomWordOfTheDay/~4/aiq2l21_ErM" height="1" width="1"/>
http://feeds.reference.com/~r/DictionarycomWordOfTheDay/~3/aiq2l21_ErM/11.html