D defs.my
Entry 1 sense Webster, 1913

Armillary

· Ar·mil·la·ry · IPA
01 a. Pertaining to, or resembling, a bracelet or ring; consisting of rings or circles.
  1. 1.
    Pertaining to, or resembling, a bracelet or ring; consisting of rings or circles.
Phrases & compounds
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.