circular

definition: describing a circle

example:

speech part: adjective

synonyms: rotary orbitual

definition: having a circular shape

example:

speech part: adjective

synonyms: round

definition: an advertisement, usually printed on a page or in a leaflet, intended for wide distribution

example: The store mailed a sales circular to all subscribers.

speech part: noun

synonyms: handbill broadsheet flyer throwaway flier broadside bill