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Definition of "circumferentor" []

  • An instrument used to measure horizontal angles, consisting of a brass circle and an index, all of one piece. (noun) : Text is available under the Creative Commons Attribution-ShareAlike License

Use "circumferentor" in a sentence
  • "Employed by the Board of Ordnance, William Roy began mapping the Highlands in 1747, pushing a surveyor's wheel and using a simple kind of theodolite called a circumferentor."
  • "A circumferentor is, according to the OED: Surveying."
  • "The ravines are deep, and the sides of the hills are covered with the same stone, of which a pile was erected on the summit of the head to mark the spot where the circumferentor was placed."