Flicker

Webster's Dictionary of the English Language

·vi To Flutter; to flap the wings without flying.

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

III. Flicker ·noun The act of wavering or of fluttering; flucuation; sudden and brief increase of brightness; as, the last flicker of the dying flame.

IV. Flicker ·noun The golden-winged woodpecker (Colaptes aurutus);

— so called from its spring note. Called also yellow-hammer, high-holder, pigeon woodpecker, and yucca.