Chinese.

Of or pertaining to China.

Chinese.

Of or relating to the ancient Asian people the Seres; esp. relating to silk, silken.

Of or relating to China or its people; Chinese. Now nonstandard or humorous.

Of, belonging to, or characteristic of China; = Chinese, adj.

the Celestial Empire: a translation of one of the native names for China. So Celestial Emperor; and humorously celestial = Chinese.