WordNet sense 1 (small edible marine snail; steamed in wine or baked):

periwinkle

WordNet sense 2 (emit or reflect light in a flickering manner):

scintillate, twinkle

WordNet sense 3 (gleam or glow intermittently):

blink, flash, wink

WordNet sense 4 (remove or displace from a position):

winkle out