twinkling

The act of blinking.

A blink or twinkle.

The time it takes to blink once; an instant.

The act of one who or that which twinkles; especially, a quick twitching or fluttering movement of the eye; a wink.

The phenomenon of scintillation of the fixed stars, consisting of fluctuations of light and of color at the rate of from fifty to a hundred per second..