arc vs rand

arc

noun
  • A directed edge. 

  • An arclight. 

  • A story arc. 

  • A continuous part of the circumference of a circle (circular arc) or of another curve. 

  • That part of a circle which a heavenly body appears to pass through as it moves above and below the horizon. 

  • A curve, in general. 

  • A continuous mapping from a real interval (typically [0, 1]) into a space. 

  • A flow of current across an insulating medium; especially a hot, luminous discharge between either two electrodes or as lightning. 

  • A band contained within parallel curves, or something of that shape. 

  • The three-point line. 

verb
  • To shape into an arc; to hold in the form of an arc. 

  • To form an electrical arc. 

  • To move following a curved path. 

rand

noun
  • A border, edge or rim. 

  • A random number. 

  • A rocky slope, especially the area over a river valley; specifically, the Rand 

  • A single rod woven in and out of the stakes. 

  • A strip of leather used to fit the heels of a shoe. 

  • The currency of South Africa, divided into 100 cents. 

How often have the words arc and rand occurred in a corpus of books? (source: Google Ngram Viewer )