definition of
[circular]

[1] #1 circular a. [round] having a circular shape. wn

[2] #2 circular n. [handbill, bill, broadside, broadsheet, flier, flyer, throwaway] an advertisement (usually printed on a page or in a leaflet) intended for wide distribution; "he mailed the circular to all subscribers". wn

[3] #3 circular s. [rotary, orbitual] describing a circle; moving in a circle; "the circular motion of the wheel". wn