Definition of twinkle

• v. i. - To open and shut the eye rapidly; to blink; to wink.
• v. i. - To shine with an intermitted or a broken, quavering light; to flash at intervals; to sparkle; to scintillate.
• n. - A closing or opening, or a quick motion, of the eye; a wink or sparkle of the eye.
• n. - A brief flash or gleam, esp. when rapidly repeated.
• n. - The time of a wink; a twinkling.