Circumferentor
- n. A graduated wheel for measuring tires; a tire circle.
- n. A surveying instrument, for taking horizontal angles and bearings; a surveyor’s compass. It consists of a compass whose needle plays over a circle graduated to 360¡, and of a horizontal brass bar at the ends of which are standards with narrow slits for sighting, supported on a tripod by a ball and socket joint.
The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.