noun
Primarily used in compounds and fixed expressions rather than as a standalone word. Common in words like 危険 (きけん) and 危機 (きき).
「危」という漢字は、危険や危機を表す言葉に使われる。
The kanji 危 is used in words that express danger or crisis.
noun
Chinese "rooftop" constellation
One of the 28 traditional Chinese mansions, part of the Black Tortoise (玄武) group. Used in classical astronomy and astrology.
See also: 危宿 · 二十八宿 · 玄武 (げんぶ)
危宿は二十八宿の一つで、玄武に属する。
The Rooftop mansion is one of the 28 mansions and belongs to the Black Tortoise.