o (name of the letter O, o)

Kyūjitai form of 亜欧 (“Eurasia”)

(religion, Buddhism) a guardian deity primarily revered in Vajrayana Buddhism as the principal of the Five Wisdom Kings, known outside of Japan by his Sanskrit name, अचल (acala)

(religion, Buddhism) Daiitoku Myōō, the Japanese name for Yamantaka, the Wisdom King of the West, primarily revered in Vajrayana Buddhism, in Japan, China and elsewhere.

(religion, Buddhism) Trailokyavijaya, the Wisdom King of the east, primarily revered in Vajrayana Buddhism

(religion, Buddhism) Kongo Yasha Myōō, the Japanese name for Vajrayaksa, the Wisdom King of the North, primarily revered in Vajrayana Buddhism, in Japan, China and elsewhere.

(religion, Buddhism) Gundari Myōō, the Japanese name for Kundali, the Wisdom King of the South, primarily revered in Vajrayana Buddhism, in Japan, China and elsewhere.

the Five Wisdom Kings in Vajrayana Buddhism

(of plants or trees, archaic) to grow large, spring up

a surname