CALIPERS
Etymology
Noun
calipers pl (plural only)
A device used to measure thickness between two surfaces, especially for small or precise measurements.
(UK) A metal (orthopedic) leg support.
Synonym: leg braces (US)
Anagrams
• earclips, replicas, spiracle
Source: Wiktionary
Cal"i*pers, n. pl. Etym: [Corrupted from caliber.]
Definition: 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. Caliper square, a
draughtsman's or mechanic's square, having a graduated bar and
adjustable jaw or jaws. Knight.
– Vernier calipers. See Vernier.
Source: Webster’s Unabridged Dictionary 1913 Edition