a tundra swan

Cygnus cygnus: a whooper swan

Kyūjitai form of 科学博物館

science museum

a celestial palace where literati go after death

(military) mortar (weapon)

(obsolete) the White House

obsolete spelling of ホワイトハウス

(fiction) Hanahaki, an illness affecting those consumed by unrequited love that manifests as the coughing up of flowers, which clears up upon reciprocation. A fictional illness, it has found popularity among both Japanese and foreign online fanfic (especially) artists and authors for its poetic quality.

(idiomatic) to utter harsh words; to use abusive language