1. Noun

   blue dragon

   see 青竜

2. Azure Dragon (god said to rule over the eastern heavens)

   see 青竜

3. seven mansions (Chinese constellations) of the eastern heavens

   Astronomysee 二十八宿

4. large horse with a bluish-leaden coat

5. shape of an old pine tree

Also written 蒼龍【そうりょう】souryou