Dictionary Definition :
Definition[1]
:
catvāra sūrya the four suns, i. e. Aśvaghosa, Devabodhisattva, Nāgārjuna, and Kumāralabdha (or -lata).
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
divasa-catuṣṭaya.
Source
:
佛教漢梵大辭典, 平川彰 Buddhist Chinese-Sanskrit Dictionary, Akira Hirakawa
Page
:
p 623