(uranography) Winter Triangle - a bright asterism of the northern winter sky. Its corners are the stars Betelgeuse, Procyon, and Sirius.

(grammar) personal pronoun

(grammar) demonstrative pronoun

academy or non-university college (a post-secondary school not legally considered a university)

algebra

(politics, historical) a chief consul in the ancient Yamato court, equivalent to and replaced by 左大臣 (sadaijin) and 右大臣 (udaijin) during the Taika Reforms

Kyūjitai form of 大学校 (“college, university”)

modern times, variously described as after the 19th century, after World War I, or after World War II, until the present

unthinkable, out of the question

increase (increased amount), enlargement