Flȳ'er, n.

n. 1. One who, or that which, flies or flees; — usually written filer.

2. One that uses wings.
3. The fly of a jack.
4. (Arch.) A step in a flight of stairs which are parallel to each other, as distinguished from winding stairs. The second of these flyers stands parallel behind the first, the third behind the second, &c.
5. (pl.) The same as FLERS, No. 3.