CALTROP. An iron instrument made to annoy an enemy's cavalry. They were formed of iron, being four spikes conjoined in such a manner that one was always upwards. It is found in many ancient coats of arms.
Ex. Argent, a caltrop proper.
CANTON. The French word for corner. It is a small square figure, generally placed at the dexter chief of the shield, as in the annexed example.
CELESTIAL CROWN. Distinguished from any other crown by the stars on the points or rays that proceed from the circlet.
CHAPEAU. Cap of maintenance or dignity, borne only by sovereign princes. It is formed of crimson or scarlet velvet, lined with ermine.
CHAPLET. An ancient ornament for the head, granted to gallant knights for acts of courtesy. It is frequently borne as a charge in a shield of arms, and always tinted in its natural colours.