tiān​qiú

celestial sphere

天球 tiān​qiú
celestial sphere
The imaginary sphere surrounding the observer on which all stars and heavenly bodies appear to be projected; the firmament.
ancient jade
(literary) A type of precious ancient jade mentioned in the Classics.
ancient zither
(literary) A type of ancient stringed instrument or qin.

Frequency

Written text
0.169 per million

Sources

Frequency data
BCC Corpus (BLCU)