A shuttle bus with a circular route.
Synonym of flyer: a printed advertisement, directive, or notice intended for mass circulation.
To extend in a circular direction.
To distribute circulars to or at.
Referring back to itself, so as to prevent computation or comprehension; infinitely recursive.
Circuitous or roundabout.
Of or relating to a circle.
Distributed to a large number of persons.
In the shape of, or moving in a circle.
A buttress that stands apart from the structure that it supports, and is connected to it by an arch (flyer).