Senses
天主 God
The God worshipped in Catholicism, regarded as the creator and ruler of the universe.
天主 Catholic
of or relating to the Catholic Church
天主 Catholicism
abbreviation for 天主教
天主 Lord of Heaven
(literary) A title in Buddhist scriptures for the ruler of the heavens, specifically Indra
天主 Heavenly Ruler
(archaic) A respectful title used to address an emperor in historical texts