A rapid closure and opening of the eyelids.

The act of blinking one's eyes, often reflexively.

आंखों को झपकाना, अक्सर स्वाभाविक रूप से

English Usage: "His eyeblink was so quick, I almost missed it."

Hindi Usage: "उसका आंखों का झपकना इतना तेज़ था, कि मैंने लगभग इसे मिस कर दिया।"