CALIPERS n.
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.
CALIPPIC a.
Of or pertaining to Calippus, an Athenian astronomer. Calippic period, a period of seventy-six years, proposed by Calippus, as an improvement on the Metonic cycle, since the 6940 days of the Metonic cycle exceeded 19 years by about a quarter of a day, and exceeded 235 lunations by something more.
CALKING n.
The act or process of making seems tight, as in ships, or of furnishing with calks, as a shoe, or copying, as a drawing. Calking iron, a tool like a chisel, used in calking ships, tightening seams in ironwork, etc. Their left hand does the calking iron guide. Dryden.