1. (noun)circular, 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"
5. (noun)flyer the pair of arms attached to the spindle of a spinning frame, over which the thread passes to the bobbin; -- so called from their swiftrevolution. See Fly, n., 11
6. (noun)flyer the fan wheel that rotates the cap of a windmill as the wind veers
7. (noun)flyer a small operation not involving ? considerable part of one's capital, or not in the line of one's ordinary business; a venture