Meaning of the word armillary-sphere in English

What does armillary-sphere mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

armillary-sphere

US /ɑːrˌmɪl.ɚ.i ˈsfɪr/
UK /ɑːˌmɪl.ər.i ˈsfɪər/

Noun

a model showing the positions of the stars and planets and consisting of several circles forming a sphere (= ball shape):

Example:
Several different types of globes and armillary spheres were invented by Muslim astronomers.