Definition of flyers:
(n) :
That which flies, as a bird or insect.
(n) :
A machine that flies.
(n) :
(dated) An airplane pilot.
(n) :
A person who travels by airplane.
(n) :
A leaflet, often for advertising.
(n) :
The part of a spinning machine that twists the thread as it takes it to and winds it on the bobbin