airspace

(obsolete) Washington, D.C. (a city, the capital city of the United States)

requiem (music composed to honor a dead person)

Kuopio (a city in Finland)

(Buddhism) Short for 観自在菩薩 (Kanjizai Bosatsu, “Avalokiteśvara Bodhisattva”).

(military, of the Japan Air Self-Defense Force) a major general

(military, of the Japan Air Self-Defense Force) a non-commissioned officer

a color space

the shape of the horns on some Japanese war helmets or 兜 (kabuto) / a 家紋 (kamon, “family crest”) with varying designs of helmet horns

(historical) a nickname of Tokugawa Mitsukuni, the second daimyo of Mito Domain