1. of, relating to, or shaped like a ring or rings; composed of or marked by rings or bands
Usage: often used in astronomy and historical contexts
2. of or relating to an armillary sphere, an ancient astronomical instrument consisting of rings representing the celestial equator, ecliptic, and other great circles
Usage: astronomy, history of science

Examples

• The museum displayed an armillary sphere from the Renaissance period.
• Ancient astronomers used armillary instruments to map the heavens.
• The armillary design of the monument featured concentric metal rings.
• Ptolemy's armillary sphere helped establish early models of the cosmos.
• The armillary bands on the artifact indicated its astronomical purpose.