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Latin armilla (a bracelet).


armil (plural armils)

  1. (obsolete) A bracelet.
  2. (obsolete) An ancient astronomical instrument, having either one ring placed in the plane of the equator for determining the time of the equinoxes (an equinoctial armil) or two or more rings, one in the plane of the meridian, for observing the solstices (a solstitial armil).
    (Can we find and add a quotation of Whewell to this entry?)

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for armil in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)