n. [ L. armilla a bracelet, fr. armus arm: cf. OF. armille. ]
☞ When composed of one ring placed in the plane of the equator for determining the time of the equinoxes, it is called an equinoctial armil; when of two or more rings, one in the plane of the meridian, for observing the solstices, it is called a solstitial armil. Whewell. [ 1913 Webster ]
‖n.;
a. [ LL. armillarius, fr. L. armilla arm ring, bracelet, fr. armus arm: cf. F. armillaire. See Arm, n. ] Pertaining to, or resembling, a bracelet or ring; consisting of rings or circles. [ 1913 Webster ]
Armillary sphere,