Meaning of CIRCULAR in English

CIRCULAR

I. ˈsər-kyə-lər adjective

Etymology: Middle English circuler, from Middle French, from Late Latin circularis, from Latin circulus circle

Date: 15th century

1.

a. : having the form of a circle : round

a circular orbit

b. : moving in or describing a circle or spiral

a circular staircase

2.

a. : of or relating to a circle or its mathematical properties

a circular arc

b. : having a circular base or bases

a circular cylinder

3. : circuitous , indirect

4. : marked by or moving in a cycle

5. : being or involving reasoning that uses in the argument or proof a conclusion to be proved or one of its unproved consequences

6. : intended for circulation

a circular letter

• cir·cu·lar·i·ty ˌsər-kyə-ˈler-ə-tē, -ˈla-rə- noun

• cir·cu·lar·ly ˈsər-kyə-lər-lē adverb

• cir·cu·lar·ness noun

II. noun

Date: 1789

: a paper (as a leaflet) intended for wide distribution

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.