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1.
"The Gods". The highest of the divine clans in Asatru and Norse Mythology; primarily, though not solely, deities of valor and protection.
Odin is the ruler of the Aesir.
by OneBadAsp October 20, 2006
 
2.
Ancient norse 'Shining Ones'
i don't think the Aesir would like it if you threw that hammer at me Thor.
by clayton July 22, 2003
 
3.
One of the ancient guilds of Tarlach; known for their amity and generosity to the Mabinogi Tarlach community, originally from Ragnarok Online.
Wow, he's in Aesir? He must be strong.

Aesir's so nice to offer free glowing gargoyle runs to noobs.
by Chochocolate March 08, 2011
 
4.
AESIR - the greatest FA clan in existence.
It's even harder to quit AESIR then it is to stop playing FA
by Dagashi June 22, 2004