blink

blink is a Verb

Definition:

[1] To wink; to twinkle with, or as with, the eye. One eye was blinking, and one leg was lame. Pope

[2] To see with the eyes half shut, or indistinctly and with frequent winking, as a person with weak eyes. Show me thy chink, to blink through with mine eyne. Shak.

[3] To shine, esp. with intermittent light; to twinkle; to flicker; to glimmer, as a lamp. The dew was falling fast, the stars began to blink. Wordsworth. The sun blinked fair on pool and stream . Sir W. Scott.

[4] To turn slightly sour, as beer, mild, etc.