CIRCULAR a. 2 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.
CLICK n.
ch it is in contact, whereby a sharp, clicking sound is produced. The sounds are four in number, and are called cerebral, palatal, dental, and lateral clicks or clucks, the latter being the noise ordinarily used in urging a horse forward.