Webster's Revised Unabridged Dictionary · 1913

Flier

Flier (flī"ẽr) , noun

[Form Fly, v.; compare Flyer]

1.

One who flies or flees; a runaway; a fugitive. — Shakespeare

2.

(Machinery) A fly. See Fly, n., 9, and 13 (b).

3.

(Spinning) See Flyer, n., 5.

4.

(Architecture) See Flyer, n., 4.

5.

An aeroplane or flying machine.