Ar"mil (#), n. [L. armilla a bracelet, fr. armus arm: cf. OF. armille.]


A bracelet.



An ancient astronomical instrument.

⇒ 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.



© Webster 1913.

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