赤

red / scarlet / bare / naked

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

also

Nurhaci (1559-1626), founder and first Khan of the Manchu Later Jin dynasty 後金|后金[Hou4 Jin1] (from 1616)

equatorial counter current

celestial equator

acute contagious conjunctivitis (TCM)

Little Red Cliff, nickname of Bitan 碧潭[Bi4 tan2], Xindian, Taibei county, Taiwan

to worry oneself sick / to fret

to bare the feet

to bare one's chest / bare-chested

alder tree (Alnus glutinosa)

patriotic overseas compatriot

Jochi (name)