Armillary adj. Pertaining to, or resembling, a bracelet or ring; consisting of rings or circles.
Armillary sphere, an ancient astronomical machine composed of an assemblage of rings, all circles of the same sphere, designed to represent the positions of the important circles of the celestial sphere.
... "(1). Armillary Zodiacal Sphere of 6 feet diameter. This sphere reposes on the heads of four dragons, the bodies of which after various convolutions come to rest upon the extremities of two brazen beams forming a cross, and thus bear the entire weight of the instrument. These dragons ... — The Travels of Marco Polo Volume 1 • Marco Polo and Rustichello of Pisa
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