Definition of "aflicker"

with age are limbs a-shake / And force a-flicker!

1875, Robert Browning, “Herakles”, in Aristophanes’ Apology,‎, Boston: James R.Osgood, page 202

the long cave of the fort dining room, with tall candles of buffalo tallow wildly aflicker, and fiddle bows sawing,

1978, Conrad Richter, “As It Was in the Beginning”, in The Rawhide Knot and Other Stories‎, New York: Knopf, page 182

whole families grouped around tables, young heads bent over homework, dens aflicker with TV,

2001, Jonathan Franzen, The Corrections‎, London: Fourth Estate, published 2007, page 309