calipers Meaning, Definition & Usage

  1. noun an instrument for measuring the distance between two points (often used in the plural)
    caliper; calliper.
  2. verb measure the diameter of something with calipers
    caliper; calliper.

WordNet

Cal"i*pers noun plural
Etymology
Corrupted from caliber.
Definitions
  1. An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts, shot, etc.; or the bore of firearms, tubes, etc.; -- called also caliper compasses, or caliber compasses.

Webster 1913