CHISEL n.
A tool with a cutting edge on one end of a metal blade, used in dressing, shaping, or working in timber, stone, metal, etc.; -- usually driven by a mallet or hammer. Cold chisel. See under Cold, a.
CIRCULAR a. 3 definitions
Addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter. A proclamation of Henry III., . . . doubtless circular throughout England. Hallam.