circular
n. countablen. a printed letter or advertisement that is sent to many people at the same time. You usually receive these in the mail from companies or local groups.
n. a printed advertisement, notice, or letter intended for wide distribution to a large number of people. Often used in commercial or administrative contexts.
The local supermarket sends out a weekly circular with the latest deals.
The council distributed a circular to every household in the district explaining the new recycling schedule.
Before the digital age, retailers relied heavily on the Sunday circular to drive foot traffic into physical stores through time-sensitive coupons and exclusive offers.
From Middle English circuler, circuleer, circulere, from Old French circulier (French circulaire), from Late Latin circularis, from Latin circulus, diminutive of circus (“ring”). By surface analysis, circle + -ar.
Commonly used in business and local government contexts to describe mass-distributed physical mail.