the Old Testament

(Christianity) a fallen angel / (Christianity; by extension) the Devil, Satan, Lucifer

(biblical) a seraph

(biblical) a cherub

a guardian angel (spirit)

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

single room

Alternative form of 一々

big, large / the large part of / (religion) arch-

Abbreviation of 大学 (daigaku, “university”).