Flicker — Defs

01 v. i. To flutter; to flap the wings without flying.

imp. & p. p. Flickered; p. pr. & vb. n. Flickering

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.

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

1.
The act of wavering or of fluttering; fluctuation; sudden and brief increase of brightness; as, the last flicker of the dying flame.
2.
The golden-winged woodpecker (Colaptes aurutus); -- so called from its spring note. Called also yellow-hammer, high-holder, pigeon woodpecker, and yucca.(Zool.) Also: yellow-hammer, high-holder, pigeon woodpecker, yucca
“The cackle of the flicker among the oaks.” — Thoureau.