definition of
twinkle

[1] #1 twinkle v. [flash, blink, wink, winkle] gleam or glow intermittently; "The lights were flashing". wn

[2] #2 twinkle n. [scintillation, sparkling] a rapid change in brightness; a brief spark or flash. wn

[3] #3 twinkle n. [sparkle, spark, light] merriment expressed by a brightness or gleam or animation of countenance; "he had a sparkle in his eye"; "there's a perpetual twinkle in his eyes". wn

[4] #4 twinkle v. [winkle, scintillate] emit or reflect light in a flickering manner; "Does a constellation twinkle more brightly than a single star?". wn