Maksud perkataan armillary-sphere dalam bahasa Melayu

Apakah maksud armillary-sphere dalam bahasa Inggeris? Terokai maksud, sebutan dan penggunaan khusus perkataan ini bersama Lingoland

armillary-sphere

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

Kata Nama

armillary-sfera

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

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