Flicker

Flick"er (-ẽr), v. i. [imp. & p. p. Flickered (-ẽrd); p. pr. & vb. n. Flickering.] [OE. flikeren, flekeren, to flutter, AS. flicerian, flicorian, cf. D. flikkeren to sparkle. √84. Cf. Flacker.] 1. To flutter; to flap the wings without flying.

And flickering on her nest made short essays to sing.
Dryden.

2. To waver unsteadily, like a flame in a current of air, or when about to expire; as, the flickering light.

The shadows flicker to fro.
Tennyson.

Flick"er, n. 1. The act of wavering or of fluttering; fluctuation; sudden and brief increase of brightness; as, the last flicker of the dying flame.

2. (Zoöl.) The golden-winged woodpecker (Colaptes aurutus); -- so called from its spring note. Called also yellow-hammer, high-holder, pigeon woodpecker, and yucca.

The cackle of the flicker among the oaks.
Thoureau.