Meaning of CIRCULAR in English

I. adjective Etymology: Middle English circuler, from Middle French, from Late Latin ~is, from Latin circulus circle Date: 15th century 1. having the form of a circle ; round , moving in or describing a circle or spiral , 2. of or relating to a circle or its mathematical properties , having a ~ base or bases , circuitous , indirect , marked by or moving in a cycle, being or involving reasoning that uses in the argument or proof a conclusion to be proved or one of its unproved consequences, intended for circulation , ~ity noun ~ly adverb ~ness noun II. noun Date: 1789 a paper (as a leaflet) intended for wide distribution

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.